norm Product name: Thumb WIFI development board Product gross weight: single gross weight about 45g Color: Black Specifications: Seeed Studio XIAO ESP32C3 Product packaging size: 5*3*2cm/2*1.2*0.8in peculiarity 1. Portability: The Thumb WIFI development board is very small and light, easy to carry and use, and can be carried anywhere. 2. Wireless connection: Support WIFI network connection, you can easily connect to the wireless network for data transmission and communication. 3. Development function: It has powerful development function, which can be used for the development and testing of IoT, smart home, sensor network and other projects. 4. Easy to use: Thumb WIFI development boards usually come with a friendly graphical user interface that is easy to operate and configure, suitable for beginners and professionals alike.