... with PC,TV,iPhone etc Specifications:This product is a wireless stereo headphone, adopting 2.4G RF technology. RF frequency:2 ... have some difference)Power:3.7V 460mAH Li-ionHeadphone remote control :Volume+,Volume-,Play/Pause,Last song,Next song,easy and ... the music from PC,also can realized SKYPE,MSN,QQ wireless network long-distance callUsing high quality microphone,speakers and reasonable design ...