features: The microphone module is designed based on MSM261S4030H0 digital microphone chip.The module has high voice recognition sensitivity and signal to noise , and can be applied to location, voice recognition beamforming and other demand occasions.Specifications:MEMS microphone: 7 MSM261S4030H0 arraysSound pressure level: 140 db SPLSensitivity: - 26 (dB, dBFS@1kHz1Pa )Signal to noise : 57dB (20 kHz bandwidth, A-weighted Less than 1%(100db SPL @1 KHZ S=, Rload 2kClock frequency: 1.0-4.0Mhz (normal mode); 150-800 khz (low power consumption modeLight: 12 SK9822LEDs form a ring LED , multiple LEDs are cascaded through dual signal lines, 8Bit (256 level) adjustable color, 5Bit (32 level) brightness adjustmentConnector: support 2 * 5P 2.54mm terminal and 10P 0.5mm FPC connectorSupply voltage: 5V@800mASize: 78.1 x 88.8mmSoftware development:1. Maix provides the interface to operate the binocular camera (easy to use through microphon2. Development environment: Maixpy IDE, Platformio IDE, IDE, etc3. Programming language: C, C++, MicropythonMaterial: PCBcolour: BlackPackage Contents:1 x Microphone 1 x Flexible flat cable1 x 4 x screw+nutOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.