Bluetooth Headphone

1. Driver: 40mm

2. Impedance: 32 OHM

3. Bluetooth version: Bluetooth v5.0

4. Bluetooth Usage Band: 2.4 GHz

5. Power Level: CLASS II

7. Bluetooth Distance: Barrier-free 10 meters

8. Frequency response: 20-20000Hz

11. With A2DP/AVRCP High Quality Stereo Audio Transmission and Remote Control Protocol

12. Strong Noise Reduction Circuit (Active Noise Reduction)

14. Charging time is about 2 hours (power indication charging: red light on, full of electricity: red light off (blue light on)).

17. Call time is about 8-10 hours

About 8-10 hours of music time

19. Standby time is about 120 hours

21. Battery capacity 250MAH + protection panel

22. Charging power supply: DC5V power supply [round hole interface] (computer USB port, mobile charger, car charging)

23. Compatible mobile : Compatible with Android, Apple, Microsoft, Symbian 99% of mobile with Bluetooth function