... device with audio output such as full-channel TV sound, PC, game player, DVD player, VCD player, audio ... ,MP3 player, and CD player. Full-channel TV sound: What will you do if there is your favorite ... and sick people who need care, and the sound of the cared people can be heard with the ... , multimedia PC, etc. Power Supply: 2 x AAA batteries or 4.5 DC (not included).Package Included:1 x Wireless ...