... MP3,MP4,PSP,Laptop,Desktop X3 X3 Product Features1, Comply with Bluetooth 2.1+EDR2, Music playback time is up to ... 8-10 hours3, Support A2DP and ... Powerful base 5, RF range is up to 10M6, Support iPhone, iPad, and all of Bluetooth audio device7, ... bluetooth cell phone for Mobile Phones,MP3,MP4,PSP,Laptop,Desktop X3