1. Bluetooth version: V4.2
2. Output power: 2*5W
3. Frequency response: 75Hz-20 KHz
4. Blue tooth distance: 10 meters
5. SNR > 65dB
6. Power input: DC 5V
7. Battery built-in: 4400mAh
8. Unit weight: 510g
9. Product size: 137*125*79mm
10. Color: black, white.
