Patent ID: 8369548

Claim:
A wireless earphone device capable of providing balanced stereo to a user, for wireless reception of audio signals from a first transceiver module of a mobile communication device, comprises: a Bluetooth earphone device comprising: a communication module, which comprises: a second transceiver module, for wirelessly transmitting and receiving a digital audio package between the mobile communication device and the Bluetooth earphone device, and an encoder/decoder module, connected with the second transceiver module, for decompressing the digital audio package received from the second transceiver module into a stereo signal, whereby the stereo signal may be decoded into a first channel signal and a second channel signal; and a mono speaker unit, for outputting the first channel signal of the stereo signal; an audio connecting unit, for outputting the first channel signal and the second channel signal of the stereo signal; and an audio switching module, connected between the mono speaker unit and the audio connecting unit, for receiving the stereo signal decompressed by the encoder/decoder unit, and for sending only the first channel signal of the stereo signal to the mono speaker unit or sending the first channel signal and the second channel signal of the stereo signal to the audio connecting unit; a stereo earphone device, comprising: an audio input unit, establishing communication with the Bluetooth earphone device and receiving the stereo signal; a first speaker unit, outputting the first channel signal of the stereo signal received by the audio input unit; and a second speaker unit, outputting the second channel signal of the stereo signal received by the audio input unit; an audio adaptor, comprising: a receiving slot having a stereo connecting unit therein, wherein the receiving slot is used for receiving the Bluetooth earphone device, the stereo connecting unit is electronically connected with the audio connecting unit when the Bluetooth earphone is received in the receiving slot and is used for receiving the first channel signal and the second channel signal from the audio connecting unit; a first microphone for receiving a voice signal of the user when the Bluetooth earphone is received in the receiving slot; an echo cancellation unit, connected with the stereo connecting unit and the first microphone, used for depressing an echo resulted from the voice signal from the first microphone and the stereo signal from the stereo connecting unit; and a stereo output unit connected with the echo cancellation unit, for outputting the first channel signal and the second channel signal without the echo to the stereo earphone device when electronically connected with the audio input unit.