● Including the functions of the delegate unit, chairman unit has other following functions:

● Chairman microphone can turn on any time.

● Priority function: chairman can turn off delegate microphones by clear key any time

● Chairman only mode: Delegate microphone can not be turned on again after chairman microphone press priority button.

● OLED panel display microphone ID, battery level, microphone state, control channel, etc

● Equipped with 3 function keys to set microphone ID, control channel, volume level and battery status.