... device with audio output such as full-channel TV sound, PC, game player, DVD player, VCD player, audio device,MP3 player ... , such as TV set, audio device, DVD/VCD player, multimedia PC, etc. Power Supply: 2 x AAA batteries or 4.5 ... DC (not included).Package Included:1 x Wireless Headphone. 1 x FM Transmitter (stand). 1 x Audio Cable. 1 x User's Manual