Features：

 1.Built in bluetooth module,meets BT 2.1+EDR stardard

 •2.Support BT stereo 

 3Playtime up 6hrs.transmission distance upto 10M.

•4.Compatible with iPhone, iPad and most smartphone

 •5.Built in battery,charge by MINI USB,High quality metal case 

 6.Speaker size:40mm;Impedence:4Ω;Outpower:2*2W