1) Bluetooth V 5.0

2) Bluetooth distance: 10 -15 meters

3) Frequency range: 70Hz-20KHz

4) Output power: 16W (8W * 2)

5) Power: 2400mAh battery

6) Working time: 6 - 9 hours

7) Rechargeable battery

8) Auxiliary input: 3.5mm

9) Speaker driver size: 4 inch * 2

10) Product size: 363 * 152 * 204mm