A13 Wireless Microphone

Noise reduction: Supported
Sound delay: ≤25ms
Microphone: -38dB±3dB full pointing capacitor
Frequency response: 20Hz-20 KHZ
Sampling rate: 44.1KHz
Signal to noise ratio: ≥70dB
Working current: ≤12mA
Shutdown current: ≤20uA
Battery life: 20H (including battery compartment)
Operating temperature: -10℃-50℃