Wireless Bluetooth Headphone

1.    Material : ABS

2.    Drive : 40 MM

3.    Bluetooth version : Bluetooth v5.0 + EDR

4.    Bluetooth use band : 2.4GHz

5.    Bluetooth distance : 10 meter

6.    Frequency response : 20-20000Hz

7.    Battery capacity : 400 mAh

8.    Talk time : about 10 hours

9.    Music time : 8-12 hours

10. Standby time : 160 hours

11. Charging time: 1-2 hours