Microphone volume adjustment, one-key noise reduction function, with LED display
2. Self-connection after booting, frequency is stable
3. 30 meters barrier-free and stable transmission
4. 10 hours of battery life, 1 hour of charging
5. Built-in microphone, real-time monitoring, clear sound, no lag, constant frequency
6. Support SLR, mobile phone, audio and other equipment connection
7. Support one-to-one and one-to-two modes of use, no serial frequency, flexible collocation, easy to deal with various scenarios
8. Multi-purpose, multi-compatible, making short video creation, Vlog shooting, live sound pickup, program interviews, online class teaching, etc. have good sound quality

parameter:
1. Pointing type: omnidirectional
2. Working frequency band: 2.4GHz (private protocol)
3. Frequency response range: 20Hz~20kHz
4. Transmission distance: about 30 meters
5. Transmit power: less than 10dBm
6. Battery capacity: 3.7V/350mAh
7. Charging port: Type-C
8. Rated input of charging interface: DC 5V/500mA
9. Charging time: about 1 hour
10. Battery life: 10 hours
11. Working temperature: -10~45 degrees Celsius
12. Storage temperature: -20~60 degrees Celsius