How to connect the Microphone to the Receiver?
Plug the receiver into your phone, and press the microphone button for 3s to turn on, the microphone will automatically connect to the receiver when the green light goes on.
How to use Reverberation Mode?
Two quick presses of the power button switch reverberation mode: the LED turns briefly red, followed by a steady green indicating successful mode switching. (Due to not being sure what mode you are in, so engage reverb with caution.)
Does the receiver need to be charged?
There is no battery in the receiver and no need to charge during use, if the phone has low power during use it can be charged directly through USB-C port. (The feature is not available on some smartphone models, subject to availability.)