Features: Brand new and high quality Intelligent speech recognition: High-precision speech recognition and voice command control are realized, providing convenient human-computer interaction experience. Voice recognition Switches module: supports voice Switches function, and users can control the Switches state of equipment by voice to simplify the operation process. Voice-activated development board: provides a complete voice-activated development platform, which is convenient for developers to carry out secondary development and customization to meet different application requirements. Real-time response: fast and real-time voice processing speed, so that users' commands can be immediately fed back and executed. Flexible and extensible: provide rich interfaces and development documents, and support secondary development, customization and integration with other devices. Specifications: Material:PCB Package Includes: 1x Development Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.