Wireless stereo headphone, adopting 2.4G RF technology, can connect with PC,TV,DVD,CD,MP3,MP4 and other audio equipments. Specifications:This product is a wireless stereo headphone, adopting 2.4G RF technologyRF frequency:2.4GHZ ISM BANDSupport system:Win2000,Win XP,Win Vista,Win7Pairing mode:Automaticalor Mandatory pairing,LED indicateFrequency Response:20Hz-20KHzReceive distance: 10 meters ( ...