JOYROOM JR-CB1 Car Bluetooth Wireless Receiver (Dark Gray)

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