Multi-Function Three-in-one Lavalier 2.4G Radio Noise Reduction Reverb Monitor Wireless Microphone
Product parameters:
Microphone: digital silicon shipping mark
Input voltage: 5V
Microphone battery: 300MAH
Receiver battery: 300MAH
Endurance: 6 hours
Signal-to-noise ratio: 64DBM
Transmission delay: 30MS
Sensitivity: - 42dB
Frequency response range: 20-20KHZ
Transmission distance: barrier-free 20-30m
Color box size: 12.1 * 8.1 * 3.1cm