... design, wearing more beautiful,comfortable and convenient,can connet with PC,TV,iPhone etc This product is a wireless stereo headphone ... , adopting 2.4G RF technology.RF frequency:2.4GHZ ISM BANDSupport system:Win2000 ... more beautiful,comfortable and convenientConnet with TV,iPhone etc 2.4G wireless headset for TV,PC,DVD,MP3,MP4