SE13 One Button Start Noise Cancellation Auto Connection Lavaier Microphone

Input voltage: 5V
Charging box : 300mAh
Microphone battery: 70mAh
Working time:3-6h
SNR(signal to noise ration): 70DB
Frequency range: 20HZ-20KHZ
Transmission distance: 15meters
Single Microphone : 95g
Whole suit weight: 155g
Support: TYPE-C, Lightning