1,mp3 player wireless headset 2,CE,ROHS, FCC 3, ... Portable mp3 player wireless headset1) bluetooth stereo headset 2) wireless net chat 3) wireless FM radio 4) wireless monitoring ChargingA ... while pairing successful.) How to pare your headset: 1. Place the headset and mobile phone together and ... Specifications*Decoder supported,MP3*SNR,90dB *THD: <0.1%*Frequency response: 20-20,000Hz*Output power: 20mW ( ...