Feature 1Multi Functional: Mic module integrates a variety of algorithm technologies in one, which can quickly realize the intelligent transformation of products, support sound and video calls, recording and forensics, voice recognition, menu navigation and many other functions. 21.5m Directional Pickup: Mini microphone module supports dual microphone linear microphone arrays with embedded automatic gain control, noise reduction, de reverberation and other algorithms, target directional voice enhancement and suppression of surrounding noise. 3Aftersound Cancellation: Microphone board uses the microphone array's null domain filtering characteristics to form a directional pickup beam and suppress noise outside the beam to ensure high recording quality. 4De Reverberation: Mic module's de reverberation method based on multi channel linear adaptive de reverberation algorithm (MCLP) directly initializes the target signal covariance with the array acquisition signal to further enhance the speech de reverberation performance. 5Debug Free: Microphone module requires no driver, plug and play, supports for Windows and for Android operating systems, and is widely used in financial, for smart tv, conference screen, pickups and other terminal devices.Item Type: Microphone ModuleMaterial: PCBMIC Arrangement: Two Condenser Microphones, Linear ArrangementMIC Signal To Noise Ratio: SNR (TYP) 26 dB1K Hz at 1 PaMIC Sensitivity: -94db1K Hz at 1 PaDirectional Pickup Angle: 60 Degrees to 90 Degrees or Less 12dB or More for Vocals Inside and Outside the AngleNoise Reduction: Noise Reduction to 20dB at Singal to Noise Ratio Greater Than 5dBSupport Sampling Rate: Dual Channel 24 Bits 441100Hz or 480000Hz Noise Reduction And Aftersound Cancellation: Support for Front End Active Noise Reduction and AftersoundCancellation FunctionSound Characteristics: While Maintaining the Original Sound Quality is Not DamagedPickup Distance: Approx. 1.5m / 5.0ft PickupSignal Processing: Digital Noise Reduction, AGC Automatic Gain Control, WDR Wide Dynamic Range Processing TechnologyPower Interface: USB2.0, (Type C, Terminal, Etc.)Other Features: Support Computer Software Real Time Communicating Sound Such as Skype, Wechat, QQ, Etc.Computer System Requirements: for Windows 8 for Windows 7 for Windows 10 for Android, Etc.Operating Temperature: -10 to 60 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x MicrophoneModule1 x 4MIC Pickup Board1 x USB Connection Data Cable1 x Sticker1 x Instruction Manual