1. Provide professional-grade recording output with clear sound quality and no noise.
2. Plug and play, no need to install drivers, easy to use
3. Use digital output and analog output to support noise reduction, reverberation, two-way monitoring, audio input and mute functions
4. Supports wireless connection, automatically connects after powering on, easy to operate, dual microphones, supports two people using it at the same time
5. Can be used for webcasting, video shooting, program interviews, interview recordings, video teaching, etc.

Specifications:
1. Input voltage: 5V
2. Microphone battery: 200mAh
3. Receiver battery: 200mAh
4. Charging compartment battery: 1000mAh
5. Battery life: 9 hours
6. Signal-to-noise ratio: 64dBM
7. Transmission delay: 30ms
8. Sensitivity: -42 dB
9. Frequency response range: 20-20KHZ
10. Transmission distance: 20-30m (barrier-free)