Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, main frequency up to 240 MHz Support 2.4 GHz Wi-Fi (802.11 b/g) and Bluetooth 5 (LE), onboard antenna Built-in 512KB and 384KB ROM, 16MB Flash and 8MBPSRAM Onboard 1.85-inch LCD screen, 360x360 resolution, 262K color Onboard audio decoding chip, MIC, QMI8658 six- sensor, RTC clock sensor, Micro-SD card holder and battery charging management module and other resources, support flexible clock, multiple power modes and other accurate control, realize multi-scenario low power mode Interface: USB Type-C / UART Type-C Main control chip: ESP32-S3 Screen type: TFT Screen control chip: ST77916 Posture sensor: QMI8658 RTC clock: PCF85063 Micro-SD, MIC, speaker, battery charging management module (The product appearance and printed words depending on the batch, but this does not affect use) Colour:As Shown Material:plastic Package Contents: 1 x Development Board Kit 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.