1. Bluetooth 5.3 chip, HiFi sound quality
2. LED power display, real-time power monitoring
3. Crystal clear calls, no noise interference
4. 16h battery life, worry-free long-distance driving
5. Support dual connection & automatic reconnection
6. Lightweight design, easy to carry
7. Supported protocols: HSP/HFP/A2DP/AVRCP
8. Audio decoding: AAC/SBC
9. Transmission distance: more than 12m
10. Frequency response range: 20Hz-20kHz
11. Microphone sensitivity: -38+/-2dB
12. Working voltage: 3.0-4.2V
13. Signal-to-noise ratio: greater than 58dB
14. Power: 50mW
15. Battery capacity: 300mAh
16. Music time: 22 hours (70% volume)
17. Talk time: 16 hours (70% volume)
18. Charging time: 2h
19. Standby time (connection): 27h
20. Charging input: 5V 1A
21. Product size: 51.4x35x13.4mm
22. Net weight: 30g
