awei T63 Gaming TWS Bluetooth Earbuds, T63

1. Bluetooth version: V5.3 Jerry AC6973D4
2. Support protocols: HSP, HFP, A2DP, AVRCP
3. Battery capacity 33mAh (without protection board, headphone board lithium battery protection IC)
4. Charging compartment battery capacity: 320mAh (with protective board)
5. Speaker: 13MM
6. Call duration 5H
7. Play time: 6H (80% volume)
8. Standby time: 300H
9. Charging time 1.5H
10. Speaker sensitivity: 109+/-3dB
11. Speaker impedance: 32ohms
12. Microphone sensitivity: -38+/-1dB
13. Input charging standard: DC 5V
14. Bluetooth working frequency: 2.402G-2.480G
15. Frequency response range: 50~20kHz
16. Transmission distance: Up to 15M
17. Voice prompt: Support
18. Multipoint connection: Not supported
19. Wearing method: Semi-in-ear
20. Interface: TYPE-C
21. Waterproof level: IPX4