... from electronic products with audio output, i.e.MP3 Player,Portable CD Player,Television, *Suitable for sound receiving from electronic ... full channel TV sound, PC, game player, DVD Player, VCD Player, audio device, MP3 Player, and CD Player.Full-channel TV sound: What will ... audio device, DVD/VCD Player, multimedia, PC, MP3, Walkman, etc.Power supply: 2*AAA batteries or 4.5V DCFrequency range: 84- ...