Audio | Audio features : 32K sampling rate, HD broadband audio, full-duplex | USB protocol : Support UAC2.0 | AEC: Echo Cancellation, Using AI algorithm to eliminate echo | ANS : AI noise reduction, eliminate all kinds of stationary and non-stationary interference noise, maximum noise suppression: 90dB | AGC : Automatic Gain Control,Intelligent gain adjustment within 10 meters, clear pickup | Reverberation suppression : Using AI algorithm to reduce reverberation | Microphone | Microphone type : Omnidirectional microphone | Microphone array : Built-in 6 omnidirectional microphones (main mic 4+2* extension Mic 1) | Pickup distance : 6m without extension microphones | Frequency response : 50Hz~16kHz | SNR : 65dB | Sensitivity : -35dBFS 94dB SPL @1KHz | Interface | Type C interface : 1 × Type C interface, used to connect the audio input and output of PC and other equipment;2 × Type C interface for connecting to the extension mic | Power supply : DC12V/3A, external power supply to power the microphone device | Buttons : Touch button (mute button with light indicator) | Speaker | Speaker type : Full frequency speaker | Power : 15W | Frequency Range : 50Hz ~ 20kHz | Volume : 90dBA @1m | THD : <3%