Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240 MHz Supports 2.4 GHz Wi-Fi (802.11 b/g) and Bluetooth 5 (LE), onboard antenna Built-in 512KB and 384KB ROM, stacked 8MB PSRAM and external 16MB Flash Uses Type-C interface, reversible design for easy connection Onboard 1.69-inch LCD screen, 240x280 resolution, 262K color, capable of clearly displaying color images Built-in ST7789V2 driver chip, uses SPI interface without occupying excessive pin resources Onboard QMI8658 six-axis inertial measurement unit (3-axis accelerometer, 3-axis gyroscope), capable of motion detection, posture sensing, step counting, etc. Onboard PCF85063 chip, includes SH1.0 battery connector (supports charging) for easy integration of power management functions Includes reset, BOOT, and a side button with customizable functions, suitable for custom application development Onboard 3.7V MX1.25 lithium battery charging and discharging interface 5 GPIO, I2C, and UART pads are exposed for connecting external devices and debugging, enabling flexible peripheral configuration Supports flexible clock configuration, module power settings, and precise control for multi-scenario low-power operation 1.69-inch compact display with 262K-color IPS panel and 240x280 resolution, suitable for various display applications Note: Units may vary slightly in appearance between batches, which does not affect functionality. Lighting conditions and screen settings may cause slight color differences Color: Black Material: PCB + Plastic Package Contents: 1 x Display Screen 1 x Cable Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement error allowed is +/- 1-3 cm.