1. Drive: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth v5.2+EDR
4. Bluetooth use frequency band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30mW
7. Bluetooth distance: 18 meters without barriers
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2V
10. Microphone sensitivity: -42dB
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 1 hour
15. Bare metal weight: 35g
16. Package weight: 70g
17. Talk time is about 3-4 hours
18 music time about 3-4 hours
19. Standby time is about 96 hours
20. Charging time is about 1 Hour
21. Earphone battery capacity 45MAH, charging compartment capacity 300MAH
22. Color:White,Black,Pink
