... device with audio output such as full-channel TV sound, PC, game player, DVD player, VCD player, audio device,MP3 player ... can be used as FM radio separately, search and lock channels automatically.Wired Earphone Equipped with audio cable ,the receiver can ... , such as TV set, audio device, DVD/VCD player, multimedia PC, etc. Power Supply: 2 x AAA batteries or 4.5 ...