For ESP32 smartwatch is a fully programmable wearable development platform designed specifically for professional developers. It is built around the ESP32 module board and combines WiFi, Bluetooth, and low-power electronic paper displays in a compact watch design, making it an ideal choice for IoT, notification, and data recording projects. For ESP32 E-Watch Core: Powered by ESP32 module board, it has dual core processing and integrated WiFi and Bluetooth, enabling reliable wireless connectivity and IoT applications. Electronic paper display: Using energy-efficient electronic paper screens, it provides clear, high contrast text and graphics, making it ideal for always online notifications, time display, and low-power dashboards. Programmable Watch: Fully programmable through a universal development environment, supporting custom dials, alarms, sensors, and IoT control functions. For Arduino related development workflows, making them accessible for beginners and flexible for advanced users. DIY friendly design: very suitable for DIY electronic projects, wearable prototypes, STEM education, and experimental IoT devices. The watch layout that integrates ESP32 modules, power management, and display reduces wiring complexity and accelerates project development. Color: As Shown Material: PCB+Nylon Package Contents: 1 * development board 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.