1.Confirm to bluetooth V2.1+EDR
2.Support hand free calls, and echo weakening
3.High quality audio A2DP V1.2
4.stereo output, and built-in vibration damper, making better low sound quality
5.Transmission distance: 10M
6.Support line-in function
7.Built-in high capacity Li-battery
--Speacial water cube design, stereo bluetooth module.--RF distance: 10M
--Excellent bass quality
--Built-in high-capacity Li-battery
--Able to dock with iPhone, ipad, loptop or desktop etc...