Type-C 1 To 1 Lavalier Wireless Microphone Mobile Phone Live Video Shooting Small Microphone 1. Channel: 2 2. DPS reverb 3. 2.4G, noise reduction 4. Compatible with various devices 5. Battery life: 6-8 hours 6. Signal to noise ratio: 85dB 7. 20m barrier-free reception 8. Input voltage: 220V 9. 360-degree HD surround sound pickup 10. Plug and play, stable signal 11. Clear sound quality and high sensitivity 12. Frequency response range: 20Hz-20KHz 13. Built-in battery capacity: 80 mA 14. Strong anti-interference, free to wear without restraint 15. Live broadcast, eat and broadcast, interview recording and accurate radio 16. Bluetooth 2.4GHz frequency, plug in and automatically connect for 1 second, no need to set up the connection 17. OPPOVIVOIQOORealme brand mobile phones should search for "OTG" in the settings-turn on the OTG power supply to be used normally 18. Unit weight: 0.18kg 19. Dimensions: 6x1.3x1cm