1. Bluetooth version: V5.2 Londa AB1562F
2. Supported protocols: HSP, HFP, A2DP, AVRCP
3. Battery capacity: 45mAH
4. Charging compartment capacity: 500MAH
5. Standby time: 300H
6. Talk time: 9H
7. Music duration: 8H
8. Charging time: 1H
9. Interface: Type-C
10. Transmission distance 10M
11. Voice prompt support
12. Frequency response range: 20-10000HZ
13. Sensitivity: 108db
14. Bluetooth operating frequency: 2.402G-2.480G
15. The charging compartment has cool and colorful lighting effects
16. IPX6 level strong waterproof and sweatproof function
17. Game mode on/off: tap the right ear 3 times/3 times
18. Use time of earphone + charging case: 35H
19. Ergonomic design, comfortable to wear