NW-20 Collar Wireless Microphone Live Mobile Phone Noise Reduction Microphone, Specification: 8 Pin(Black)

1. Material: ABS
2. Applicable objects: computers, musical instruments, meetings, interviews
3. Channel: 2.0
4. Bluetooth version: 5.0
5. Signal to noise ratio: 60dB
6. Frequency response range: 60Hz-15KHz
7. Connection mode: 2.4G wireless connection
8. Transmission distance: 30 meters
9. Built-in battery: 90 mA
10. Battery life: 10 hours
11. Charging time: about 1 hour
12. Charging current: 5V 100mA
13.30m wireless transmission, high performance, dual-mode interconnection signal stability
14. Plug and play, no need to set up, easy to use
15. Compatible with multiple devices
16. Intelligent noise reduction technology, restore human voice