1. Bluetooth version: Jerry V5.1 AD6973D
2. Supported protocols: HSP, HFP, A2DP, AVRCP
3. Battery capacity: 35mAH
4. Charging compartment capacity: 500mAH
5. Standby time: 300H
6. Talk time: 7H
7. Music duration: 6H
8. Use time of earphone + charging case (80% volume): 35H
9. Charging time: 1H
10. Impedance: 32
11. Transmission distance 8M
12. Voice prompt support
13. Charging interface: TYPE-C
14. Sensitivity: 93+/-3dB
15. Drive unit: 10mm
16. Bluetooth operating frequency: 2.402G-2.480G
17. Frequency response range: 20-10000HZ
18. IPX6 strong waterproof and sweatproof function
19. Headphone breathing light, cool colorful breathing light in the charging compartment
20. Open the cover and automatically enter pairing mode
21. Ergonomic design, comfortable to wear
