Features: The microphone array module is designed based on the MSM261S4030H0 digital microphone chip. The module has high voice recognition sensitivity and signal-to-noise ratio, and can be applied to sound source localization, voice recognition beamforming, and other demand scenarios. Specifications: MEMS Microphone: 7 MSM261S4030H0 Arrays Sound Pressure Level: 140db SPL Sensitivity: -26 (dB, dBFS@1kHz1Pa) Signal-to-noise Ratio: 57dB (20 kHz bandwidth, A-weighted) THD Less than 1% (100db SPL @1 KHZ) S=, Rload Greater than 2K Clock Frequency: 1.0-4.0Mhz (normal mode); 150-800 khz (low consumption mode) Lights: 12 SK9822LEDs form a ring LED array, multiple LEDs are cascaded through signal lines, 8Bit (256 level) adjustable color, 5Bit (32 level) brightness adjustment Connection: supports 2 * 5P 2.54mm terminal and 10P 0.5mm FPC connector Power Supply Voltage: 5V@800mA Size: 78.1 x 88.8mm Software Development: 1. Maix Py provides the interface to use the binocular camera (easy to use via microphone 2. Development Environment: Maixpy IDE, Platformio IDE, IDE, etc. 3. Programming Language: C, C++, Micropython Material: PCB Color: Black Package Contents: 1 x Microphone Array 1 x Flexible Flat Cable 1 x Line 4 x Screw+Nut Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3cm.