Features:
1) Built-in microphone for hands-free talking;
2) Rechargeable battery for up to 6 hours playing time;
3) big space on the top for logo printing, perfect for promotion.

Specifications:
1) Rated Power: RMS 2.0W + 2.0W;
2) Frequency Response: 100HZ---20KHZ;
3) Battery: 500 mAh Rechargeable Li-ion Battery;
4) Bluetooth: Bluetooth V3.0 Chip, with EDR Tech, 10M/33Ft Transmitssion Range;
5) With Overcurrent, Overcharge & Overheat Circuit, Protection Design on PCB;
6) Dimension (L X W X H): 125mm x 65mm x 55mm;
7) Net Weight: 210g;
8) Playing time:  4-6 hours.