This product is a microcontroller development board that supports 2.4GHz Wi-Fi and Bluetooth BLE 5. It integrates large-capacity Flash and PSRAM, and has an onboard 1.46-inch touch LCD screen. It can run GUI interface programs such as LVGL smoothly. Combined with a variety of peripheral interfaces, it can quickly develop applications such as HMI of ESP32-S3. Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz. Supports 2.4 GHz Wi-Fi (802.11 b/g) and Bluetooth 5 (LE), with onboard antenna. Built-in 512 KB and 384 KB ROM, stacked 8 MB PSRAM and onboard 16 MB Flash (supports access to expansion devices). Uses Type-C interface to improve user convenience and device compatibility. Onboard 1.46-inch LCD screen, resolution 412x412, 16.7M color. Supports I2C interface to control touch, supports interrupts. Lead out UART, I2C and some IO interfaces. Onboard QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), which can detect motion posture, step counting and other functions. Onboard PCF85063 Chip, can achieve uninterrupted power supply through external battery, function continues to work when replacing the main battery. Onboard PWR, BOOT two customizable side buttons, buttons can be used for custom function development. Onboard 3.7V MX1.25 lithium battery charging and discharging interface. Onboard Micro-SD card slot for extended storage and fast data transmission, with flexibility, suitable for data recording and media playback, simplifying circuit design. Supports flexible clock, multiple power modes and other accurate control, to achieve multi-scenario low power mode. Bring out multiple GPIO pins, can be mapped to a variety of functional interfaces, convenient for customer custom development. Excellent display performance - 16.7M colors, 412x412 resolution, wide viewing angle. Capacitive touch - Just touch, what you see is what you get, flexible operation, enjoy UI interaction, Touch function is introduced through I2C signal, interrupt is supported. Onboard audio codec chip - It supports high-quality audio processing and provides clear, high-quality audio input and output. It is equipped with an offline voice model and can control the device by setting shortcut commands. Support expansion of multiple peripherals - More expansion devices can be connected through UART, I2C, GPIO and other interfaces. 1.46-inch round LCD screen development board. Integrated QSPI display interface, multiple peripheral interfaces. Due to different product batches, the appearance , which does not affect the use. Type:B:with Cover Panel Colour:As Shown Material:Plastic+PC 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.