2.4GHz wireless transmission technology.
Latency: 18 MS.
Battery: 72mAh for up to 6 hours.
Charging time: 90min
Sensitivity of the microphone: -42dB
Frequency range:
20-20KHZ
Loading input voltage: DC 4.8~5.4V
Freight current: 60mA
Transmission distance: 20 meters without any obstacle, 7 meters with human body obstacle.

Includes
Microphone transmitter
Receptor usb-C
Cable usb-C