1. Input voltage: 5V 2. Microphone battery capacity: 110mAh 3. Battery life: 7h 4. Signal-to-noise ratio: 64dBM 5. Sensitivity: -42dB 6. Frequency response range: 20-20kHz 7. Transmission distance: 20-30m 8. Transmission delay: 30ms 9. Supports long-distance high-definition sound reception for live broadcast, video VLOG shooting, interview sound reception, video teaching and other occasions 10. Supports automatic noise reduction, reverberation, monitoring, external speaker, mute, and can charge the phone while live broadcasting 11. 2.4G wireless couplet, automatic connection when powered on, simple operation, supports double use 12. Applicable to mobile phones, computers and other devices without APP
