Features: High sensitivity voice recognition function, supporting multiple commands and natural language processing, making it more convenient for users to operate. Plugs and play design, compatible for multiple microcontrollers, quickly integrated into existing projects without the need for complex programming skills. Strong real-time response capability, able to quickly recognize and execute voice commands, improving user experience. Builts in noise reductions technology effectively filters background noise, improving recognition accuracy and stability. Suitable for intelligent devices that run for long time, providing reliable solution for IoTapplications. Specifications: Component:PCB Size:Approx.36x36mm/1.41x1.41in Support Bluetooth-compatible,WIFI,2.4Ghz Wireless,Connection; Package Includes: 1pc Voice Recognition Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.