Specifications:   1. Material: ABS 2. Bluetooth V 3. 0 EDR 3. Loudspeaker Power: 3W 4. Power: DC 5V- 100-120mA 5. Battery 3.7v 400mAh lithium6. Charging time approx. 3 hours7. S/N Ratio 75db8. Distortion 9. Operating time approx. 6 hours 10. Transfer distance :~10M (the distance depends on the

Specifications:   1. Material: ABS 2. Bluetooth V 3. 0 EDR 3. Loudspeaker Power: 3W 4. Power: DC 5V- 100-120mA 5. Battery 3.7v 400mAh lithium6. Charging time approx. 3 hours7. S/N Ratio 75db8. Distortion 9. Operating time approx. 6 hours 10. Transfer distance :~10M (the distance depends on the bluetooth device and environment) 11. Product Size: 8.5x8.5x4.5CM