K35 Dual Wireless Mic for Smartphones Camera

Pleasemake sure your device is unlocked and the receiver is plugged into the port of your device. Clickthe power button of the microphone, the indicator light turns green, which means the power on is successful. Press and hold the power switch forabout 3 seconds to power off the microphone. Unplug the receiver before listening to the recording. The receiver does not have a battery inside, and does not need to be charged during live broadcast. So you need to enable OTG setting in your Phone set