... ,computer,VCD, DVD,etc-player HI-FI Speaker mp3 mp4 dvd TV PC CD Wireless HeadphoneModel number:T001Function:1,wireless listening function ... output such us TV,PC,DVD,VCD,MP3/MP4 and CD player2,FM radio:The headset can be used as FM ... .Signal-to-Noise Radio>50db 6.Distortion<2%THD 7.Speaker:40mm mylar 8.Frequency Response:20-20000Hz9.Transmission Frequency:86MHz ...