Wireless led Bluetooth speaker.
It has USB, TF card in the mp3 audio file.
It has external audio in pull.
External power charging interface.
Speaker with wireless autodyne system.
The the play time is 4-5 hours .
Output Power is 10w*1
Input DC is 5v
Battery is 3.7v/1500mAh.
Transmission distance is 10m
It comes with Fm Radio and phone stand.