Microphone Type: Digital Silicon Microphone

Sampling Rate: 48kHz

Transmission Frequency: 2.4GHz

Frequency Response: 20Hz-20kHz

Transmission Time: 25ms

Battery Capacity: 70mAh

Charging Time: 2h (charging case), 1.5h (microphone)

Working Time: 6h

Transmission Distance: 50 meters (unobstructed)

Charging Case Battery: 400mAh ( supports about 2 charging cycles for the microphone)

*80dB signal-to-noise ratio

*Strong magnetic buttons, stable and non-falling, easy to use