M13 wireless microphone
Sound delay: ≤25ms
Microphone: -42dB±2dB omnidirectional silicon microphone
Frequency response: 20Hz-20KHz
Sampling rate: 48KHZ
Signal-to-noise ratio: ≥75dB
Microphone battery/life time: 110MAH/9H
Charging compartment battery: 600MAH
Charging compartment battery charging time: about 2.5 hours
Wokring temperature-10℃-45℃
