1. Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz 2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), onboard antenna 3. Built-in 512KB SRAM and 384KB ROM, stacked with 8MB PSRAM and external 16MB Flash 4. Onboard 1.9-inch LCD screen, 170x320 resolution, 262K color, can clearly display color pictures 5. Onboard QM18658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope) can detect motion posture and expand applications Onboard USB Type-C interface, can be used for power supply and download debugging, convenient for development and use Onboard 3.7V MX1.25 lithium battery charging and discharging interface Onboard Micro-SD card slot, can be connected to an external SD card to store pictures or files Onboard Pico compatible interface, leading to a variety of peripheral interfaces, strong compatibility and scalability (The product appearance and printed words may vary depending on the batch, but this does not affect use) This product uses the ESP32-S3R8 chip, supports 2.4GHz Wi-Fi and BLE5 Bluetooth functions, integrates large-capacity Flash and PSRAM, and has an onboard 1.9-inch LCD display. It can smoothly run GUI interface programs such as LVGL. It has onboard QMI8658 six-axis sensor, Micro-SD card slot, lithium battery charging and other peripheral resources, and reserves Pico compatible pin interface. It has strong compatibility and scalability, and can quickly develop applications such as HMI of ESP32-S3. (Due to different batches, the product appearance and printing may be different, but it will not affect the use) Color: As Shown Material: PCB+LCD Package Contents: 1 * ESP32-S3 1.91inch Display 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.