1. Input voltage: 5V 2. Microphone battery capacity: 80mAh 3. Charging case battery capacity: 800mAh 4. Battery life: 6h 5. Signal-to-noise ratio: 64dBM 6. Sensitivity: -42dB 7. Frequency response range: 20-20kHz 8. Transmission distance: 20-30m 9. Digital output and analog output, mobile phones can be used 10. Support noise reduction, reverberation, two-way monitoring, audio input, mute 11. Wireless couplet, automatic connection when powered on, support for two-person use 12. For mobile phones, computers, tablets, speakers, amplifiers, cameras and other devices
