Abstract: A charging case for charging and storing a pair of earbuds is provided. The charging case comprises: a case body having an upper section and a lower section, the lower section housing at least a battery and a PCB, the upper section having a pair of sockets to accommodate the pair of earbuds, respectively; and a USB cable comprising a distal end portion including a USB connector, a cable body housing electrical wires coupled to the USB connector, and a proximal end portion non-removably attached to the case body. The electrical wires are guided through the housing wall into an inner space of the case body where end portions of the electrical wires are soldered onto the PCB. A recessed area is formed on the exterior surface of the case body to accommodate the attached USB cable while not in use.

Abstract: A charging case for charging and storing a pair of earbuds is provided. The charging case comprises: a case body having an upper section and a lower section, the lower section housing at least a battery and a PCB, the upper section having a pair of sockets to accommodate the pair of earbuds, respectively; and a USB cable comprising a distal end portion including a USB connector, a cable body housing electrical wires coupled to the USB connector, and a proximal end portion non-removably attached to the case body. The electrical wires are guided through the housing wall into an inner space of the case body where end portions of the electrical wires are soldered onto the PCB. A recessed area is formed on the exterior surface of the case body to accommodate the attached USB cable while not in use.

Abstract: A speaker device with equalization (EQ) control is provided, wherein the speaker device may be a pair of earbuds/earphones or a headset having a pair of headphones, comprising: an audio receiving port for receiving audio signals from an audio source, a circuitry comprising at least a processor and a memory, the processor being configured to execute one or more firmware or software programs to perform tasks for processing the audio signals, including equalization of the audio signals according to one of multiple EQ settings stored in the memory, a user input terminal for detecting a user input to select one of the EQ settings; and a pair of speaker drivers for emitting sound corresponding to the processed audio signals.

Abstract: A speaker device with equalization (EQ) control is provided, wherein the speaker device may be a pair of earbuds or earphones or a headset, comprising: an audio receiving port for receiving audio signals from an audio source, a circuitry comprising at least a processor and a memory, the processor being configured to execute one or more firmware or software programs to perform tasks for processing the audio signals, including equalization of the audio signals according to one of multiple EQ settings stored in the memory, a user input terminal for detecting a user input to select one of the EQ settings; and a speaker driver for emitting sound corresponding to the processed audio signals.

Abstract: A wireless pair of earbuds is provided, wherein each earbud comprises an earbud body including a tip configured to be inserted in an ear canal of a user, the earbud body housing electronic circuitry including a controller for controlling components in the earbud, and an ear hook coupled with the earbud body and configured to fit around a root of an ear pinna of the user, the ear hook housing an antenna.

Abstract: A wireless pair of earbuds is provided, wherein each earbud comprises an earbud body including a tip configured to be inserted in an ear canal of a user, the earbud body housing electronic circuitry including a controller for controlling components in the earbud, and an ear hook coupled with the earbud body and configured to fit around a root of an ear pinna of the user, the ear hook housing an antenna.