Output: DC 5V
Battery: Rechargeable Li-Battery
--Unique metal shell, 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...
1、With hand-free design.
2、With buttons to control Vol+/Vol- when answering phonecalls via speaker.
3、Able to play music via Bluetooth, with buttons to Vol+/ Vol-/Play/Pause
4、Able to skip to next or before song.
6、Support TF Card