model:BL03 speaker not big but loud

1. Bluetooth version:AB5.2

2. Material:cloth mesh+ABS raw material

3. Battery capacity:1200mAh

4 .Speaker specifications:52mm diameter*1+diaphragm *1

5.Speaker power:4 ohms 5 watts*1

6. Charging voltage:DC5V

7. Call or music:about 3-4Hr

8. Power supply mode:18650 battery

9. Bluetooth distance:≥10m

10. Frequency response range: 12.0HZ-20KHZ

11. Product net weight:300g

12.Product size:107*45*90mm