Abstract: The present invention relates to headphones for multimedia devices, and more specifically the present invention is adapted to allow more than one user to use the same headphone jack. The purpose of the present invention is to provide a headphone which enables more than one person to use the same multimedia device at the same time without having to use a separate splitter device. This allows the next person to connect to another persons headphone/earphone plug to jointly enjoy the multimedia content.

Abstract: A headphone having reduced-tangling potential includes an audio plug for receive electrical signals from an audio device, coupled via wires to ear buds, wherein the ear buds are for receiving electrical signals and outputting audio, wires coupled to the audio plug and to the pair of ear buds, wherein the coupling wire is configured to provide the electrical signals from the audio plug to at least the pair of ear buds, and a restraint device having a pliable material body having an interior channel, wherein the channel restrains movement of the separate ear buds a first resistance, when the audio plug is inserted into the channel, and wherein the channel restrains movement the separate ear buds by a second resistance, when the audio portion is separated from the channel, wherein the first resistance amount exceeds the second resistance amount.

Abstract: This invention provides novel earphones. In one embodiment, the earphones are configured for listening to music from a bust-mounted media player. In another embodiment, the earphones are configured for listening to music from an arm mounted media player.

Abstract: An exemplary earphone includes a shell, a speaker received in the shell, and a wire electrically connecting with the speaker. The shell defines a sound cavity and a wire passage therein. The sound cavity and the wire passage communicate with each other. The speaker is received in the sound cavity. The wire is inserted into the sound cavity through the wire passage. An adhesive tape is wound around part of the wire. The adhesive tape abuts against an inner wall of the wire passage thereby fixing the wire in the wire passage.

Abstract: A case for storing a battery which supplies drive power for a headphone includes a case body to which the battery is stored and which is capable of being inserted to an insertion hole formed at a headphone chassis and a lock pawl which is capable of being locked with a lock hole formed at the headphone chassis, while a positive terminal which is connected to a positive electrode of the battery stored in the case body and a negative terminal which is connected to a negative electrode of the battery stored in the case body are arranged, and then, a leading terminal which is connected to either the positive electrode or the negative electrode is arranged at the case body and the leading terminal is connected to either the positive terminal or the negative terminal.

Abstract: A system that allows the teammates of an individual (such as a quarterback on a football team) to hear signals being called by that individual during the course of a sports competition, despite noise generated by an audience. The system includes a microphone positioned within the helmet of the signal caller connected to an audio amplification device, either positioned in the helmet or in some other part of the clothing or equipment worn by the signal caller. The amplified signal is then directed to one or more loudspeakers, again positioned either on the helmet of the signal caller or on the clothing or equipment worn by the signal caller. The loudspeakers are directed to the signal caller's teammates, positioned typically along a line of scrimmage. The system may be time-limited in operation in that the signal caller must specifically activate the system which thereafter remains activated only for a pre-set period of time before automatically shutting off.

Abstract: An ear plug apparatus using a 5-pole connection terminal is provided. The apparatus includes an ear plug and at least one connection terminal. The at least one connection terminal is attached to the ear plug. At least one connection terminal is positioned at an end of a body of the ear plug and isolates a space between one connection terminal and another connection terminal and includes at least one insulation pad attached to the ear plug.

Abstract: A signal cable includes a first signal wire group, a second signal wire group, and a sheath layer. The first signal group includes at least one first conducting wire and at least one first carbon nanotube wire. The second signal wire group includes at least one second conducting wire. The second signal wire group is insulated from the first signal wire group. The sheath layer is about the first signal wire group and the second signal wire group.

Abstract: There is provided headphones that include a pair of left and right earcups, an audio signal processing unit contained in the earcups, a headband connecting the left and right earcups respectively through a hanger, and a cord to supply a signal to the audio signal processing unit. In the headphones, a connection portion between the hanger and the headband is configured as an extension and contraction unit having a multistage structure including a small-diameter hollow member able to be taken in and out of a large-diameter hollow member, a part of the cord contained in the extension and contraction unit is spirally wound so as to be extended and contracted, nodes are placed respectively between the headband and the extension and contraction unit and between the hanger and the extension and contraction unit, and the respective nodes have a through-hole allowing penetration of the cord.

Abstract: A wireless system including a first speaker and a second speaker, where the first and second speakers communicate with each other over a wireless link. In some configurations, the first speaker includes both a primary wireless interface for receiving audio from an audio source and a secondary wireless interface transmitting a portion of the audio to the second speaker. The speaker can incorporate Near Field Communication (NFC) technology to provide the wireless link between each other. The wireless system can be configured to synchronize audio output at the speakers, and can also include a second-speaker detection mechanism that permits the first speaker to be used in either a stand-alone mode, with audio output at only the first speaker, or full-headset mode, with audio output at both speakers when the second speaker is detected within wireless range of the first speaker.

Abstract: A mobile phone apparatus 10 is provided with a five conductor earphone jack 26, etc. which is used to be shared between four and five conductor earphone plugs. Also, the two plugs have a left audio terminal at the same position, but a right audio terminal and a GND terminal at opposite positions. When the earphone plug is inserted, a tone signal is output from a third jack terminal. At this time, if the four conductor earphone plug is inserted, a tone signal is output as a leakage signal from a first jack terminal through a four conductor earphone. Then, the leakage signal is amplified, and input to a controlling circuit (70). On the other hand, if the five conductor earphone plug is inserted, a leakage signal is not output.

Abstract: There is provided a portable audio output device that can be stably hooked over a user's external ear. A cord 2 is curved so as to be hooked over a user's external ear A. A speaker unit 10 has a holding unit 13 that holds the cord 2. The holding unit 13 holds the cord 2 in a position on the cord 2 away from an end 2a such that the cord 2 is curved between the end 2a and a portion thereof held by the holding unit 13. The holding unit 13 is configured such that the cord 2 can move relative to the holding unit 13.

Abstract: A ceiling mount bracket for a loudspeaker. The ceiling mount bracket includes a mounting plate; an assembly to orient the loudspeaker; an assembly to receive audio signals and to provide the audio signals to the speaker; and a wiring block to connect to signal transmission wires. The wiring block includes a first terminal designated for 70/100 volt operation; a second terminal designated for 8 ohm operation; an electrically conductive path from the first terminal to a first pin of the receptacle; and an electrically conductive path from the second terminal to a second pin for the receptacle. The ceiling mount bracket also includes a mounting position for a ceramic connector and thermal fuse. The mounting position includes a threaded hole to accommodate a corresponding threaded extension of the ceramic connector and thermal fuse. The ceiling mount bracket also includes a cover enclosing more than 200 cubic centimeters.

Abstract: Methods and systems for wireless headset instant on capability during battery charging are disclosed and may include powering a wireless headset so that it may be operable to transmit/receive wireless signals during charging. The headset may be powered via an external charger and may be coupled to the headset via a USB link. The headset may be powered via one or more internal batteries, and may be independent of a power level of the batteries within the headset. RF and baseband circuitry may be powered for transmitting/receiving wireless signals during charging. The headset may utilize USB power management, and may manage discharge of power from a plurality of internal batteries. The batteries may be decoupled from circuits that enable transmitting/receiving wireless signals during charging. The headset may be powered via the charging device so that the headset may be operable to generate output audio signals during charging.

Abstract: A cartridge for managing ear bud cables includes a housing, a hub, a spool with a moveable audio contact and an ear bud cable. The housing has an input jack that is electronically connectable to an audio-source. The hub defines a stationary contact surface electrically connected with the input jack. The ear bud cable wraps at least partially around the spool, the ear bud cable has a first end and a second end, the first end being electrically connected with the moveable audio contact of the spool and the second end being electrically connected with at least one ear bud. Rotation of the spool selectively retracts and dispenses the ear bud cables while enabling continuous audio communication between the at least one ear bud and the audio source.

Abstract: A low-profile, retractable ear-bud system is adapted for attachment to a portable electronic device such as an MP3 music player. The system comprises a housing within which there is disposed wiring having a proximal end in electrical communication with the portable electronic device and a distal end terminating in a pair of ear-buds. The wiring is wound on a spring-biased spool disposed within the housing, the spool having at least a retracted position for storage and an extended position for use of the ear-buds. In the preferred embodiment, the wiring is wound on the spring-biased spool in a single pancake-style layer. The proximal end of the wiring is in electrical communication with the portable electronic device preferably through a multi-conductor slip ring.

Abstract: Broadly speaking, the embodiments described herein relate to a media apparatus that can be used in conjunction with a host device to provide an end user a pleasurable listening experience especially during periods of physical activity. In the described embodiments, the host device can take the form of a portable media player. In particular, the media apparatus can include a listening device.

Abstract: A headphone of convenient assembly and package includes a first earpiece and a second earpiece. The first earpiece has a tubular first casing and the first casing includes a first ear plug. The second earpiece has a tubular second casing and the second casing includes a second ear plug. The first casing has a clasping portion at an end opposite to the first ear plug. The second casing has a clasping recess at an end opposite to the second ear plug for receiving the clasping portion. Therefore, the first earpiece and the second earpiece can be assembled together into a tubular single piece, benefiting the first earpiece and the second earpiece for being packaged and carried, thus improving the convenience of the headphone.

Abstract: An audio system comprises at least one pair of wireless headphones having an active operating mode and an inactive operating mode, the at least one pair of headphones comprising a solid-state audio player, a rechargeable battery, means for connecting to a computer, means for charging the battery, and a motion sensor, wherein the motion sensor detects movement of the headphones and causes headphones to be put into inactive mode when no motion is detected for a certain period of time and causes headphones to be put back into active mode when motion is detected.

Abstract: An active headworn device that includes a position sensing device used to determine whether the headworn device is in an extended state upon a user's head or in a contracted state off of the user's head. The position sensing device may be coupled with a microcontroller adapted to power up or power down the active headworn device based on a signal from the position sensing device. The position sensing device may various devices such as a Hall-effect device used in combination with a magnet or a LED in combination with a detector. The movement of the headworn device between positions changes the distance between components of the position sensing device such that the device signals the microcontroller to power up or down the active headworn device. The microcontroller may mute a portion of circuitry prior to the powering up or down the active headworn device to prevent undesirable feedback.

Abstract: An earphone wire cover with three separate arms resembling drinking straws joined together in a Y-configuration into which the ear phone speakers and plug are inserted and passed through. These covers enclose most of the wire from the electronic device to the earphones. The three sections are joined together with a flexible tape or string so that, when the earphones are to be stored, the three arms can be brought together as three parallel tubes holding the bulk of the wire by simply flipping the bottom section into alignment with the upper two sections. The invention can be easily re-deployed by simply folding the bottom section out again and separating the top ends to make a Y. An alternate embodiment of the invention can have a microphone hole in one of the arms.

Abstract: A method for detecting a position of a pair of headphones at a user and a detection apparatus for detecting a position of a pair of ear phones at a user are described.

Abstract: An earphone device for a portable terminal, including a body connected to the terminal; an earphone having a pair of ear speakers, a connection plug, and a cable joining the ear speakers to the connection plug; a fixed member fixedly positioned on the cable; and a coupling member adapted to slide on the cable while surrounding overlapping portions of the cable, which is bent at the fixed member. The cable between the coupling member and the fixed member is used as a strap of the terminal when the ear speakers are mounted on the body. This makes it possible to carry the terminal conveniently and prevents the cable from being tangled.

Abstract: A cartridge for managing ear bud cables includes a housing, a hub, a spool and an ear bud cable. The housing has an input jack that is electronically connectable to an audio-source. The hub is fixed in the housing defines a stationary contact surface electrically connected with the input jack. The rotatably mounts with respect to the hub and has moveable audio contacts for continuously contacting the stationary contact surface during rotation of the spool and while the spool is stationary. The ear bud cable wraps at least partially around the spool, the ear bud cable has a first end and a second end, the first end being electrically connected with the moveable audio contact of the spool and the second end being electrically connected with at least one ear bud. Rotation of the spool selectively retracts and dispenses the ear bud cables while enabling continuous audio communication between the at least one ear bud and the audio source.

Abstract: A cartridge for managing ear bud cables includes a housing, a hub, a spool with a moveable audio contact and an ear bud cable. The housing has an input jack that is electronically connectable to an audio-source. The hub defines a stationary contact surface electrically connected with the input jack. The ear bud cable wraps at least partially around the spool, the ear bud cable has a first end and a second end, the first end being electrically connected with the moveable audio contact of the spool and the second end being electrically connected with at least one ear bud. Rotation of the spool selectively retracts and dispenses the ear bud cables while enabling continuous audio communication between the at least one ear bud and the audio source.

Abstract: A case for holding an audio device having a female audio jack. The case has a removable cover including a male audio jack for electronically connecting the cover to the female audio jack of the audio device. The cartridge includes a spool and houses an ear bud cable. The ear bud cable has a first end with at least one ear bud, and a second end attached to the spool. The cartridge has a rotatable spool for selectively retracting and dispensing the ear bud cable. The spool electronically connects with the male audio jack to enable audio communication between the audio device and the ear bud. In one embodiment, the spool electronically connects with the male audio jack via a jumper wire. In another embodiment, the spool electronically connects with the male audio jack via an electrical contact pad integrated into the case.

Abstract: A cartridge usable with a portable electronic device for managing an ear bud cable comprises a housing having a hub, a spool and stationary audio contacts fixed with respect to a hub axis. The stationary audio contacts are annular in shape and insulated from each other and from the housing. The stationary audio contacts are spaced equally from each other, and are each placed at fixed distance from the hub axis. The annular stationary audio contacts connect electrically with an auxiliary audio jack and a contact pad for simultaneously connecting the device to more than one audio device. Conductive contacts are placed on a bottom side of the spool, and are spring loaded to maintain continuous electrical contact with the stationary audio contacts.

Abstract: An information processing apparatus includes a jack, a noise-canceling section, a judgment section, and a first regulation section. The jack is connectable with a plug of a headphone including a microphone, outputs a first signal to the headphone, and inputs a second signal from the microphone. The noise-canceling section generates a third signal that cancels a noise component around the headphone based on the second signal input from the jack and enables an operation of superposing the third signal on the first signal. The judgment section judges whether at least one of the first signal and the second signal exceeds a predetermined level. The first regulation section regulates an operation of the noise-canceling section when the judgment section detects that the predetermined level is exceeded.

Abstract: A headset including a body configured to be affixed to an ear of a user, and a speaker for reproducing an audio signal, the speaker representing part of the body such that when the body is affixed to the ear, the speaker is positioned proximate the ear canal of the user. The headset further includes at least one sensor for producing an output indicative of whether the body is affixed to the ear. In addition, the headset includes an analyzer, operatively coupled to the at least one sensor, for analyzing whether the body is affixed to the ear based on the output of the at least one sensor.

Abstract: Electronic devices and accessories such as headsets are provided. An accessory may include speakers and active noise cancellation circuitry. Microphones may be used to pick up ambient noise signals for implementing noise cancellation for the speakers. The accessory may also include a voice microphone and an ambient noise microphone that picks up ambient noise signals for implementing noise cancellation for the voice microphone. A user input interface may gather user input. Ultrasonic tone generators may transmit data between the device and accessory. The electronic device and accessory may be connected to each other by audio connectors. Hybrid circuits that each include a summer and a transconductance amplifier may be selectively switched into or out of use. When switched into use, paths between the device and accessory can support bidirectional communications such as communications involving the simultaneous flow of analog audio and microphone signals in opposite directions.

Abstract: An earphone assembly includes a casing, at least one secondary cable, at least one earphone, and at least one reel mechanism. The casing includes an assembly chamber. The earphone electrically connects to the casing by the secondary wire. The reel mechanism is received in the assembly chamber, and controls a length of the secondary cable extending from the assembly chamber. A portable electronic device using the earphone assembly is also provided.

Abstract: An earphone comprises two headphones, a plug assembly and a wire electronically connected to the headphones and the plug assembly. The plug assembly comprises a main pole, a first plug set in one end of the main pole and electronically connected to the wire, a sleeve placed over the first plug, and an adjusting wheel screwed on the main pole. The adjusting wheel is configured for driving the main pole to move when receiving an exterior force, thereby driving the first tube body to extend out of the sleeve or receive into the sleeve.

Abstract: An earphone jack (100) for a portable electronic device includes a detecting module (20) and a jack module (30). The detecting module is configured for detecting if a plug of an earphone has been connected to the earphone jack. The jack module is connected to the detecting module, and includes a connecting hole (32) configured for receiving the plug defined therein, two earphone connectors (333, 334) configured for connecting the plug, a contacting member (35) connected to the detecting module, and a movable member (331) separately connected to the contacting member. Therefore, the detecting module can detect the plug connected to the earphone jack without causing any instantaneous current in the jack module and the plug.

Abstract: An exemplary media player system includes a media player and an earphone. The earphone includes a first earpiece, a second earpiece, a primary volume control unit, and a secondary volume control unit. The first earpiece and the second earpiece are configured for receiving first channel audio signals and second channel audio signals respectively, and converting the audio signals to yield audible sounds. The primary volume control unit adjusts the volume levels of the first earpiece and the second earpiece simultaneously. The secondary volume control unit adjusts the volume of sounds outputted from one of the first earpiece and the second earpiece.

Abstract: A headset antenna and a connector for the same are provided. The headset antenna includes an audio signal line, an antenna and a high impedance element in specified application frequency ranges. The audio signal line is adapted for transmitting an audio signal and the antenna is adapted for receiving an RF signal. The high impedance element is disposed on a transmission path of the audio signal and generates a high impedance at a specified frequency band of the RF signal, so that the audio signal line is equivalent to an open circuit and the antenna obtains a better receiving capability.

Abstract: A wire routing for an earpiece speaker 100 voice coil 110 has a terminal wire 130 having a takeoff angle 134 that is less than forty-five degrees with respect to a tangent 195 of the voice coil at a takeoff point 132. The terminal wire 130 also has a U-bend 136 and crosses a basket rim 160 of the earpiece speaker 100 at a crossing point 163. A length of the terminal wire 130 between the crossing point 163 and a terminal pad 183 is at an angle 156 less than forty-five degrees relative to a tangent 199 of the basket rim 160 at the crossing point 163. This configuration promotes a terminal wire length and geometry that is able to convert stresses to avoid wire breakage due to fatigue failure.

Abstract: An earphone connector of a mobile terminal prevents noise from occurring when inserting and removing an earphone. The earphone connector of a mobile terminal includes a main body having a passage for inserting an earphone. Aground terminal, aright sound terminal, and a left sound terminal are disposed at a preset position of the main body to contact with a corresponding ground terminal, right sound terminal, and left sound terminal of the earphone, respectively, when the earphone is inserted into the passage. A microphone terminal contacts with a corresponding microphone terminal of the earphone when the earphone is fully inserted. And an elastic member applies an external force such that the microphone terminal does not contact with at least one of the corresponding right sound terminal and the left sound terminal of the earphone before the earphone is fully inserted.

Abstract: An earphone is configured to be coupled to a first audio output socket or a second audio output socket. The earphone includes a main body and a plug module. The main body includes a sleeve adapter, an earpiece, and a cable electrically connecting the sleeve adapter and the earpiece. The plug module includes a first end and a second end which are electrically connected to each other. The first end and the second end are of different diameters. In a first mode, the first end is plugged into the sleeve adapter, and the second end is capable of being coupled to the second audio output socket. In a second mode, the second end is plugged into the sleeve adapter, and the first end is capable of being coupled to the first audio output socket.

Abstract: A headphone having reduced-tangling potential includes an audio plug for receive electrical signals from an audio device, coupled via wires to ear buds, wherein the ear buds are for receiving electrical signals and outputting audio, wires coupled to the audio plug and to the pair of ear buds, wherein the coupling wire is configured to provide the electrical signals from the audio plug to at least the pair of ear buds, and a restraint device having a pliable material body having an interior channel, wherein the channel restrains movement of the separate ear buds a first resistance, when the audio plug is inserted into the channel, and wherein the channel restrains movement the separate ear buds by a second resistance, when the audio portion is separated from the channel, wherein the first resistance amount exceeds the second resistance amount.

Abstract: An exemplary earphone assembly includes an electrical connector, two earphones, and two cords electrically connecting the electrical connector with the earphones. Each of the cords includes two wires connecting the electrical connector with a corresponding earphone and a zip chain containing the wires. The zip chain of each cord includes an elongated main body, and a first latching part and a second latching part protruding from the main body towards the other cord. A receiving groove is defined between the first and second latching parts for receiving the second latching part of the other cord when the two cords are engaged with each other in such a manner that the first and second latching parts of one cord block the second latching part of the other cord from escaping from the receiving groove.

Abstract: The present invention provides a wired control of an earphone. The wired control includes a ring and a body. The ring defines an elastic material structure and a plurality of rails. The body defines at least one protrusion which is mounted with a plurality of circuit boards, wherein each circuit board is electrically mounted with a switch thereon; the ring is rotatably mounted on the body; and each switch is operable in response either to the elastic material structure being pressed or to the rails of the ring being rotated. When one of the switches is activated by the movement of the ring, the circuit board corresponding to the activated switch generates a trigger signal.

Abstract: An audio interface used for mating with an earphone plug having an electronic conductor is disclosed. The audio interface comprises a socket body; and an insulation wrap protruding from the socket body, the insulation wrap defining a receptacle, the electronic conductor inserted in the receptacle and wholly wrapped by the insulation wrap.

Abstract: A method for controlling a maximum signal level output to headphones of a wireless device is provided. The method includes: determining an impedance of the headphones; determining a carrier specific maximum signal level for headphones having the impedance; and, adjusting an audio amplifier of the wireless device coupled to the headphones to restrict the maximum signal level output to the headphones to the carrier specific maximum signal level.

Abstract: A case stores an earphone set proximate to a digital media device (DMD). The case includes a storage compartment for storing the earphone set proximate a rear side of the DMD. The earphone set may be wound onto a retaining clip that is formed to receive ear-pieces of the earphone set and has a pair of notches, disposed on opposite edges of the clip, about which the two wires are wound. A distance between inner segments of the notches is a function of the length of the wires such that an inline control panel and a junction splitter of the earphone set are positioned within a periphery of the retaining clip. The earpieces and a jack plug of the earphone set may be retained by the clip to facilitate retention of the cable and wires.

Abstract: An electrical cable is disclosed that is tangle-free. This is achieved by having alternating lengths of firm elements with flexible lengths of cable. More specifically, the present invention provides various mechanisms for securing a length of electrical cable in a closed/folded state which can be easily opened without entanglements.

Abstract: The present invention provides a built-in telescopic earphone structure and a terminal device. The built-in telescopic earphone structure comprises a housing having a containing space, an earphone arranged within the containing space and having an earphone assembly and an earphone line, a connection means for connecting the earphone with a terminal device and transmitting signals, and an earphone line retracting means arranged within the containing space for retracting or releasing the earphone line. The built-in telescopic structure can be used to thoroughly solve the problem of earphone resource waste at the terminal device. When a user uses a terminal device (e.g., when using a telephone), it is unnecessary to lift the terminal device up to head, and the user can directly draw the built-in telescopic earphone out of the built-in telescopic earphone structure of the terminal device, thereby the harm caused by electromagnetic radiation from the terminal device is reduced dramatically.

Abstract: One or more antennas within an earphone arrangement used in an electronic device includes a plurality of coaxial cables, a first antenna unit, a second antenna unit, and a third antenna unit. The coaxial cables carry radio frequency (RF) signals of different frequency bands. The first antenna unit, the second antenna unit, and the third antenna unit each include a radiating member. Each radiating member can receive and transmit RF signals of at least one frequency band, and the coaxial cables carry the RF signals to the device for processing.

Abstract: The present invention provides an earphone line retracting device, and an automatic line retracting earphone having the earphone line retracting device, a non-radiation wire mobile phone having the earphone line retracting device, and an electronic device having the earphone line retracting device. The earphone line retracting device at least comprises: a winder, drive means driving the winder, and signal connector means, characterized in that the earphone line retracting device further comprises shift gear means, by which the drive means drives the winder.

Abstract: A compatible circuit and method for 4- and 5-pole earphones and a portable device are disclosed. The compatible circuit and method alter the path of audio signals, using switches, according to control signals, so that the 4-pole earphone can be used in a portable device designed primarily for a 5-pole earphone. The apparatus and method include determining the type of earphone, altering the audio signal path according to the type of earphone, and transmitting the audio signal to the earphone.

Abstract: A wireless headset includes a first earpiece and a second earpiece, where the first and second earpieces communicate with each other over a wireless link. In some configurations, the first earpiece includes both a primary wireless interface for receiving audio from an audio source and a secondary wireless interface transmitting a portion of the audio to the second earpiece. The earpieces can incorporate Near Field Communication (NFC) technology to provide the wireless link between each other. The wireless headset can be configured to synchronize audio output at the earpieces, and can also include a second-earpiece detection mechanism that permits the first earpiece to be used in either a stand-alone mode, with audio output at only the first earpiece, or full-headset mode, with audio output at both earpieces when the second earpiece is detected within wireless range of the first earpiece.