Product Description

* high-definition LCD screen
* ON/OFF microphone using long seevice life, no noise  tact switch
*Microphone sound head open, the green indicator light
*Chairman unit has the priority right to speak, can be closed at any time on behalf of all of the units
*The electronic volume control
*The built-in high fidelity loudspeaker, can play background music conference amplifying Conference
*built-in speaker: 8Ω 2W Φ*0
*The metal base
*The unit comes with 2 meters 8 core aluminum foil mesh shielding wire, electromagnetic wave interference on the wire is greatly reduced
*Having "FIFO"/"Open"/"Free talk"/"limit"of various speech pattem
Note: color black white flash