1) Bluetooth V 5.0

2) Chipset: JL

3) Bluetooth distance: 10 -15 meters

4) Resistance: 40HM

5) Frequency range: 275Hz-20KHz

6) Output power: 5W

7) Power: 1200mAh Li-ion battery

8) Working time: 5-8 hours

9) Battery charging: micro USB cable

10) Size: 130*120*65MM

11) Color: black, red,blue