... . 2.You can access TV,computer,VCD, DVD,etc-player HI-FI Speaker mp3 mp4 dvd TV PC CD Wireless HeadphoneModel number ... : It can receive the sound wirelessly from any electrical device with audio output such us TV,PC,DVD,VCD,MP3/MP4 ... audio cable4.Wired net chat:there will be audio cable with mic, insert it to the headphone and computer, then you ...