High performance-price ratio Small volume, easily embeded to other products Strong function with support LWIP protocol, Freertos Supporting three modes: AP, STA, and AP+STA Supporting Lua program, easily to develop Win10 system automatic installation drive support high baud rate.better stability. ESP32 Development Board CH9102X WiFi+Bluetooth Ultra-Low Power Consumption Dual Core ESP-32 ESP-32S Similar ESP32 is already integrated antenna and balun, power amplifier, low-noise amplifiers, filters, and power management module. The entire solution takes up the least amount of printed circuit board area. This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology, power and properties best, which is safe, reliable, and scalable to a variety of applications. Colour: black Material: PC+metal Package Contents: 3 x ESP32 Development Board 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.