The ESP32 integrates antenna switches, RF baluns, power amplifiers, LNAs, and power management modules, and the entire solution takes up PCB area. 2.4 GHz Wi-Fi plus Bluetooth dual-mode chip Adopting TSMC's low-power 40nm technology, the power performance and RF performance are the best, safe and , and easy to expand to various applications. Cost-effective small volume. Easy to embed in any product , support LWIP protocol, freertos Support , STA, andSTA coexistence mode three modes Lua programming makes your development easier. Material: PCandMetal colour: As shown Package Contents: 1 x Breakout Board Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.