Electronic Components: The Circuit is Designed by Professional Engineers Based on Electronic Circuits, Selected High-Quality Components, Carefully Matched and Debugged. It has The Ability of Fast Fine Sound Processing, Providing Linear Audio Frequency Range, High Dynamics, Low Noiseand Very Low Audio Distortion.Standard oparation voltager: 1.5VPrecision Mesh Cover : The Mesh Cover Is Made of High Polymer Material and Formed by Stamping，Which has Certain Compressive Performance and Effectively Filters The Air Flow and Saliva, Effectively Prevent The Generation of Broken Sound and dental- Sound.Usb Microphone: Usb Condenser Microphone with 5.9 Feet Power Cord, The Scope of Use Includes Desktop Computers and Laptops，Equipped with Otg to Connect to Mobile Phones.Directivity: Noise cancelingFroquency Response: 100Hz-16KHz1 PC MicrophoneSensitivlty reductlon: Within -3dB at 1.5VHigh Compatibility: Compatible with Most Operating Systems and Application Software. Plug and Play to Improve the Efficiency and Stability of Live Broadcast, Video and Call, So You Can Speak FreelyS/N ratlos: Moro than 67dBSensitivity: -30dB±3Packing List: Product Box, Microphone, Power Cord, Fixed Bracket. If You have Any Questions, Please Contact Us and We Will Fast and Friendly Customer Service within 24 Hours. Choose Us, You Will Get More.About this itemImpedance: <2.2KΩProduct descriptionCord lengths: 2.5meters1 PC BracketOperation voltage: 4.5V