... ,innovative wearing style. 2.You can access TV,computer,VCD, DVD,etc-player HI-FI Speaker mp3 mp4 dvd TV PC CD Wireless HeadphoneModel ... audio cable with mic, insert it to the headphone and computer, then you can chat.(Optional) Specification: 1.System:VHF/RF ... .Signal-to-Noise Radio>50db 6.Distortion<2%THD 7.Speaker:40mm mylar 8.Frequency Response:20-20000Hz9.Transmission Frequency:86MHz ...