Microphone: Digital Silicone Mic
Input Voltage: DC 3.7V
Battery Capacity: 60mAh
Case Battery: 300mAh
Battery Life: 4-5 Hours
Signal to Noise Ratio: 64dB
Latency: 25-30ms
Sensitivity: -42dB
Frequency Response: 20-20kHz
Transmission Distance: 20m
Voice Changer Function
Plug and Play
20m Access
Digital Display