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 ... but you worry about disturbing others?Watch TV with this wireless headphone, enjoy yourself without disturb others, sounds wonderful!! 3 ... cable, the receiver can be used as a wired headphone 4 Wireless Net ChatIt's a perfect audio-chat tool. ...