1. Input voltage: 5V 2. Microphone battery capacity: 200mAh 3. Receiver battery capacity: 200mAh 4. Battery life: 3h 5. Signal-to-noise ratio: 64dBM 6. Sensitivity: -42dB 7. Frequency response range: 20-20kHz 8. Transmission distance: 30-100m 9. Transmission delay: 30ms 10. Adopting digital output and analog output, you can use Type-c mobile phone, iPhone mobile phone, 3.5mm interface multi-function all-in-one multi-purpose 11. Support noise reduction, reverberation, two-way monitoring, audio input, mute, Bluetooth accompaniment, etc. 12. 2.4G wireless couplet, automatic connection when powered on, simple operation, support for two people 13. Suitable for mobile phones, computers, tablets, speakers, amplifiers, cameras and other devices 14. Convenient storage, portable when going out
