1) Frequency band: ISM2.4GHz

2) High - fidelity sound quality: similar to CD - quality.

3) Wireless microphone system with built in presenting / voting / rating / talking mode,wireless manage microphones (on/off microphones),and Auto-pair functions.

4) Built-in data pipes for remote control commands sending & receiving.

5) The president may remote on / off any microphone at any time.  

6) The PC application (control HMI software) can be customized.