Microphone use long life, noiseless ON/OFF switch
Use electronic switch control volume adjust.
Inner high fidelity speaker, can enlarge the sound in conference and play
background music.
it has high fidelity capacitance mic, good sound revert, high definition, low noise
It has high efficiency whistle restrain function, super tone effect.
When turn on the microphone, red led display
Chairman unite priority voice switch, can turn off all the delegate unite anytime.

Inner speaker: 8Ω 2W <Φ65mm
Type: Condenser type
Polar Pattern: Hyper-cardioed
Frequency Respond: 60Hz-16000Hz
Sensitivity: -47± 3dB @ 1 KHz
Signal-to-Noise: 68dB (A)
Attachment: Hurricane Lamp sponge
Weight: 0.8Kg