PICO D4 RGB features an ultra-compact design with two low- Xtensa 32-bit LX6 microprocessors at 240MHz on a PCB, integrated with USB to serial port chip and programmable RGB light x25With low consumption: It is ideal for any space-constrained or battery-powered devices such as wearables, devices, sensors, and other IoT devices.and fully compatible with for , MicroPython, ESP32-IDF, and other mainstream development platforms to quickly build applications.HIGH INTEGRATION: PICO D4 RGB Including 2 channels of 5V - 3.3V DC / DC, GPIOx10, programmable RGB light x25, button x2, finely tuned RF circuit, providing stable and wireless communication.FeaturesESP32-PICO-D4 (2.4GHz Wi-Fi and Bluetooth dual mode)Integrated 4 MB flashIntegrated USB to serial port chip(CH340E)Including 2 channels of 5V - 3.3V DC / DCIntegrated 5X5 ws2812b-1515(GPIO2) and 2 buttons(GPIO0 and EN)3V LED and status LED(GPIO27)Ceramic Antennasize: 21 x 18mmMaterial: PCBcolour: blackPackage Contents:1 x ESP32 PICO D4 RGB Development BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.