Abstract: An ear hanger type earset of the present invention comprises an earset housing having a speaker; a pivotal portion having an elastomer to be pivotally connected to the earset housing; and an ear hanger portion to be joined to the pivotal portion, configured in the shape of an arc body, and then integrated on the periphery of the arc body to dispose a projecting element. By enhancing the rotational elasticity between the earset housing and the pivotal portion, the projecting element of the ear hanger portion is used as a fulcrum for rotation, so as to facilitate the rotation of the ear hanger portion. The ear hanger portion can securely be hooked onto the back of the ear while the user is exercising with the earset on.

Abstract: The car audio system combining with a MP3 player of the present invention comprises an audio system, a MP3 player, and a connecting interface. The audio system comprises an audio host, a microphone, and a speaker, wherein the audio host has a speaker phone mode. The MP3 player comprises a MP3 module and a wireless earphone module, wherein the MP3 module will establish a bidirectional communication with a mobile phone via the wireless earphone module. The connecting interface will connect the electrical connection between the MP3 module and the audio host. When a call comes into the mobile phone, the MP3 module will enable the audio system to enter the speaker phone mode to make the audio system establish a bidirectional audio communication with the mobile phone.

Abstract: This invention provides a wireless earphone able to control a ringing signal in response to an incoming call. This invention particularly provides a wireless earphone enabling the volume of the ringing signal relied on the status of the wireless earphone. The wireless earphone depends on an ear-hook action of the earphone or a sensor detecting the ear-hook action to determine the status of the earphone to control the volume of the ringing signal. As such, when the wireless earphone is not in use, i.e. being not worn, the volume of the ringing signal is enlarged to make the user perceives an incoming call. When the wireless earphone is in use, i.e. being worn, the volume of the ringing signal is in a range meeting a safety specification. The hearing of the user thus can be protected.

Abstract: The present invention provides a UBS transmission cable having a power display, comprising a computer-end plug and a device-end plug, wherein the device-end plug internally comprises a signal detection-and-display circuit, and then the circuit drives an indicator for the user to confirm the power supply status of the transmission cable.

Abstract: A personal digital assistant incorporating wireless earphones is provided, including: a personal digital assistant circuit to decode audio compressed files under a music-playing mode to produce audio signals to earphones and collect voice signals through a microphone; and an attachment mechanism combining the wireless earphones to the personal digital assistant to accomplish an electrical connecting interface therebetween. The personal digital assistant circuit can pause music playing under the music-playing mode responsive to a ring indication made from a mobile phone, and establishing two-way audio communication with the mobile phone through the wireless earphones.

Abstract: A portable wireless terminal device includes a wireless host and a wireless mouse pen. The wireless mouse pen can be operated on a plane and wirelessly signal a cursor control signal to the wireless host. The wireless mouse pen comprises a penholder, a circuit board, and a cursor control mechanism. For the purpose and effect of the invention, the penholder is a hollow shaft; the circuit board is mounted inside the penholder and performs a mouse circuit and a radio transmitting circuit such that the signal generated by the mouse circuit will be signaled by the radio transmitting circuit; and the cursor control mechanism is mounted inside the front opening of the penholder and electrically connected to the aforementioned circuit board to enable the operation of the mouse circuit.