Patent ID: 7353043

Claim:
A mobile communication peripheral device comprising: a main body, wherein an identification card is disposed on a surface of said main body; a circuit board disposed within said main body, and comprising a transceiver for receiving and emitting a wireless communication signal and a signal processing device electrically connected to said transceiver for processing said wireless communication signal, wherein said wireless communication signal includes a first audio signal; an earphone coupled to said main body via a connecting wire for receiving and sending out said first audio signal; a microphone coupled to said main body via said connecting wire for receiving a second audio signal; a supporting member having a recess structure for positioning said earphone therein, said microphone is disposed within said supporting member, said supporting member further comprises an audio transmission control key; a power switch for controlling the power on and off states of said mobile communication peripheral device; a power supply circuit for providing electricity required for said mobile communication peripheral device, wherein said power supply circuit comprises a rechargeable battery, a charging circuit, a DC-to-DC voltage regulator and a charging socket; and an indicator for indicating the operating states of said mobile communication peripheral device, wherein said states comprise a power-on state, a wireless signal searching state, a wireless communication on-line state, a communication termination state, a power-off state and a power deficient state.