1. Material: ABS+PC
2. Bluetooth version: 5.2
3. Speaker frequency response range: 20Hz-20KHz
4. Connection range: less than or equal to 12 meters
5. Horn diameter: 13mm
6. Speaker sensitivity: 119+/-3db
7. Speaker impedance: 32 ohms
8. Headphone battery capacity: 35mah, charging compartment battery capacity: 30mah
9. Continuous playback time: about 5 hours
10. Continuous talk time: about 2 hours
11. Headphone charging time: about 1 hour
12. Charging time of the charging box: about 1 hour
13. Standby time: about 35 hours
14. Charging compartment input: 5V
15. Charging compartment size: 52x46x24.6mm
16. Dual microphone array, can effectively suppress 90% of ambient noise
17. Ergonomic design, comfortable to wear
18. N55 class strong magnetic Hall switch, no need to take out the earphone, just open the cover and use it