ESP32-S3-Nano uses ESP32-S3R8 as the main chip and is compatible with for Nano. ESP32 is suitable for applications such as the Internet of Things or Micro-Python. It is small in size and powerful in performance, and is suitable for embedding in projects. Using ESP32-S3R8 as the main chip, equipped with high-performance Xtensa 32-bit LX7 dual-core processing processor, clocked at up to 240MHz Integrated 512kB RAM, 384kB ROM, 8MB PSRAM, 16MB Flash memory Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication with superior radio frequency performance Supports seamless switching between for and Micro-Python programming for more flexible use Compatible with for IoT Cloud, monitor and control user projects from anywhere using the for IoT Cloud app Support HID, human interface devices (such as keyboard or mouse) through USB to interact with the computer more convenient Due to different batches, the appearance, color and printed words of the product , which not affect the use. Colour:Black Material:PCB Package Contents: 1 * Development board(pin header welded) 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.