1.The unit has built-in the MCU control circuit,it can   realize-digital management,it has video auto-tracking functions.
2.The microphone unit has built-in high fidelity of capacitor sound head,   its sound quanlity is clear and low noise,it has strong pickup   distacnce.
3.The meeting model:FIFO/LIMIT/FREE.
4.The chairman unit can turn down the delegate unit for anytime by priority   button.
5.The annular blue indicator lamp can show the working state on   microphone.
6.The microphone's appearance is patent design.
7.It use the long life service and low noise of touch swith.
8.The microphone tube can be separated from the base
9.Installation method is embedded.