4 in 1 MP3 Wireless Headphone 1,wireless headset 2,wired headset 3,Built-in FM radio 4,Microphone for net chat 4 in 1 MP3 ... 8m, and reception beyond obstacle of wall. 1 FM RadioThe headset can be used as FM radio ... from any electrical device with audio output such as full-channel TV sound, PC, Game Player, DVD ... VCD Player, MP3. MP4, MD and CD Player.Full-channel TV sound: what will you do if there ...