1.         RF Frequency:2.404-2.479GHz ISM BAND

2.         USB adapter compatibility system:Windows2000/Xp/Vista

3.         Modulate Method:GFSK

4.         Wireless duplex transmission(QQ,MSN,Skype,two-way communication function)

5.         Hi-fi Stereo CD sound(Audio sampling ration:44.1KHz, MIC:32KHz)

6.         Remote control the music lpayer status (remote computer to play/pause/nest     selection/volume adjustment)

7.         High  sensitivity,omni-directional microphone-based design,clear voice,no echo.

8.         Transmit distance:about 10M(open test)

9.         Frequency response:20Hz-20KHz