Earldom MC7L iPhone Lightning Wireless Single Microphone

Working current:<15mA 4. Standby power consumption:<10uA 5. Charging current: DC5V 6. Charging time: approximately 1 hour 7. Working endurance: 3-4 hours 8. Transmission protocol: Bluetooth 5.2 9. Transmission distance: approximately 15m-25m (forward direction) 10. Microphone sensitivity: -38dB 11. Noise reduction: Built in noise reduction algorithm 12. Reverb: With reverb sound effect (double-click button to switch) 13. Operation: Plug and play, automatic pairing upon startup 14. RX receiver: Apple/TYPE-C 15. Charging current: maximum 2A