1: Bluetooth headset

2:5.0 Bluetooth New headphones

3: mh4 headset wireless Bluetooth headset Folding card FM radio Bluetooth headset

1. Driver: 40mm

2. Impedance: 32 OHM

3. Bluetooth version: Bluetooth v5.0

4. Bluetooth use frequency band: 2.4GHz

5. Power level: CLASS II

7. Bluetooth distance: 10 meters barrier-free

8. Frequency response: 20-20000Hz

11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol

12. Powerful noise cancellation circuit (active noise reduction)

14. Charging time is about 2 hours (power indicator charging: red light

is on, full charge: red light is off (blue light is on).)

17. The talk time is about 8-10 hours.

18 music time is about 8-10 hours

19. Standby time is about 120 hours

21. Battery capacity 250MAH+ protection board

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

23. Compatible mobile phone: compatible with Android, Apple, Microsoft,