... headphones High sound quality MP3 Headphone1.This product is a wireless stereo headphone, adopting 2.4G RF technology.2.RF frequency:2 ... Li-ion10.Headphone remote control :volume+,volume-,play/pause,last song,next song,easy and convenient to operate11.Wireless connect with ... the music from PC,also can realized SKYPE,MSN,QQ wireless network long-distance call12.Using high quality microphone,speakers ...