Chairman of the unit

Chairman unit than on behalf of the unit a red priority function button click this button to close all the work on behalf of the unit of the microphone is easy to control the order and had all the functions provides on behalf of the unit,

On behalf of the unit

Each to attend on behalf of (or every two attend on behalf of) equipped with a representative unit, when the microphone is working, the goose neck high-brightness light-emitting light ring will be on (other delegates will know this microphone opening) and the base also has a positive function of the same little light at the back of the base and a headphone jack when plug in headphones speakers automatically disconnect, every system can connect 50 units, concatenated into two road, every road 25 units and extension units can connect up to 150 delegates.