1.Built-in   single chip computer control circuit, realizing high-speed cloud video camera   ball automatically tracks shooting.
    2.It use the long service life service and no noise of touch swith.
    3.The microphone unit has built-in high fidelity of capacitor sound head,   its sound quanlity is clear and low noise,it has strong pickup of   distance.
    4.The annular blue indicator lamp can show the working state on   microphone.
    5.The microphone's appearance is patent design with black lacquer all-metal   base
    6.The chairman unit can turn down the delegate for anytime by priority   button.
    7.The unit has equipped with the 3-meter T type 8P aluminum foil   reticule
    8.The meeting model:FIFO/LIMIT/FREE/CHAIRMAN.