SE18 Good Price Hot Sell 1 To 2 Lavalier Microphone With Charge Box

Input voltage: 5V
Microphone battery: 50mAh
RX With charge port
Working time:4-5h
SNR(signal to noise ration): 64DB
Transmission delay: 30mS
Sensitivity: -42DB
Frequency range: 20HZ-20KHZ
Transmission distance: 10-20meters
Whole suit weight: 120g
Support: TYPE-C, Lightning