4 in 1 PC wireless headphone: 1,wireless headphone 2,wired headphone 3,built-in FM radio 4,wireless net chat 4 in 1 PC wireless headphonewhich works freely with PC,MP3,TV,MD,DVD etc;High Sensitivity, interference resistance, strong signal, outstanding performance, effective range over 8m, and reception beyond obstacle of wall. 1 FM RadioThe headset can be used as FM radio separately, Search and ...