It adopts 2.4G wireless system, and its rechargeable power bank is perfect for outdoor live streaming.
Transmitting terminal: built-in lithium battery and high-quality mic, more than 8hrsbattery life.Receiving terminal: built-in OTG audio interface function, cell phone supplies power for it, besides, it can supply power for a cell phone while charging.
Features:
Distance: about 20 meters linear distance when there is no block nor interference
Charging port: USB type-C
Battery: built-in 100mA lithium battery