Wireless transmission:
2.4GHz
Audio delay:
<20MS
Frequency Response:
20Hz-20KHz
Sensitivity:
-35dB
Signal-to-noise ratio:
-65dB
Transmission distance:
20 metres (back) -40 metres (visible)
Microphone:
360° omnidirectional
Battery capacity:
Microphone: 85mAh. Charging Case: 250mAh
Power adapter:
5V/1A