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) and Bluetooth 5 (LE), onboard antenna 3. Built-in 512KB 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- inertial measurement unit (3- acceleration, 3- 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 compatible interface, leading to a variety of peripheral interfaces, strong compatibility and scalability (The product appearance and printed words 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- sensor, Micro-SD card slot, lithium battery charging and other peripheral resources, and reserves 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 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.