1.The  microphone's appearance is patent design.
   2.The microphone unit has built-in high fidelity of capacitor sound head,  its sound quality is good and low noise,it has strong pickup distance.
   3.Effective scream suppression, super pick up sound effect
   4.The annular red indicator lamp can show the working state on  microphone.
   5.The chairman unit can turn down the delegate for anytime by priority  button.
   6.The speaking model:FIFO/LIMIT/FREE.
   7.The unit comes with 2.1M 8P shielding wire, which greatly reduces the  interference of electromagnetic wave to wire