5 in 1 wireless headphone: 1,Wireless headphone 2,FM radio 3,Wireless monitoring 4,Microphone for net chat Portable 5 in 1 wireless blutooth headphone1,Works freely ... sound 1, FM RadioThe headset can be used as FM radio separately, Search and Lock channels automatically 2, Wireless HeadphoneWireless ... be heard with the headphone, for easy care. 5, Wireless Net ChatIt's a perfect audio-chat tool. ...