Directional characteristics: OmnidirectionalProduct channel: dual channelShell material: zinc alloy + metal mesh coverMicrophone use: notebook, desktop computerProduct size (diameter * thickness): D 70mm * H 15mmProduct weight (excluding packaging): 120gSensitivity: -40 +/- 3dBFrequency response range: 100-16000HZMaximum sound pressure ratio: 110dbSignal to noise ratio:> 60dbDirectional characteristics: omnidirectional / non-directionalPickup distance: 2 meters recommended, up to 3 meters pickup radiusInterface type: USB 2.0Cable length: about 2 meters