1, intelligent digital control circuit design, low power consumption.

2, the outer 3 key vote, electronic sign in function.

3, unique 40 cm long, 360 - degree rotation design, removable; High fidelity single directivity condenser microphones core, pickup distance, sound reduction degree good, high resolution, low noise.

Unit 4, chairman have priority right to speak, may at any time close to attend other units.

5, 128 x64lcd liquid crystal display unit identity, speech patterns, a state and speech time.

6, good phone interference resistance.

7, no noise light touch switch design, flexible operation;

8, unique speakers web design built-in speakers, can be used for meeting amplification and play background music.

9, light touch switch volume control design, adjustable volume.

Is 3.5 ? 10, on the left side of the design