1.This product is a microcontroller development board that supports 2.4GHz WiFi and Bluetooth BLE 5. It integrates largecapacity Flash and PSRAM, and has an onboard 1.46inch 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 ESP32S3. Equipped with ESP32S3R8 performance Xtensa 32bit LX7 dualcore processor, with a main frequency of up to 240MHz. 2.Onboard QMI8658 six inertial measurement unit (3 acceleration, 3 gyroscope), which can detect motion posture, step counting and other functions. Onboard PCF85063 RTC Chip, can achieve uninterrupted power supply through external battery, RTC function continues to work when replacing the main battery. Onboard PWR, BOOT two side buttons. 3.Supports 2.4 GHz WiFi (802.11 b/g) and Bluetooth 5 (LE), with onboard antenna. Builtin 512 KB and 384 KB ROM, stacked 8 MB PSRAM and onboard 16 MB Flash (supports access to expansion devices). Uses TypeC interface to improve user convenience and device compatibility. Onboard 1.46inch LCD screen, resolution 412x412, 16.7M color. Supports I2C interface to control touch, supports interrupts. Lead out UART, I2C and some IO interfaces. 4.Onboard MicroSD 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 multiscenario low power mode.