C3FH4 RGB features an ultra- design with one risc-v 32-bit single core processor at 160MHz on a PCB, built-in 400 KB SRAM and 4 MB Flash , integrated with 2.4 GHz Wi Fi and supporting long-distance Bluetooth 5 (LE), with industry-leading RF performance and low power consumption.By combining -3072-based secure and the -128-XTS-based flash encryption, offers a more secure way to the Bluetooth security concerns.With low power consumption: It is perfect for any space-constrained or battery-powered devices such as wearables, sensors, and other IoT devices.and fully compatible with , MicroPython, ESP32-IDF, and other mainstream development platforms to quickly various applications.HIGH INTEGRATION: C3FH4 RGB Including 2 channels of 5V - 3.3V DC / DC, GPIOx11, programmable RGB light x25, button x2, finely tuned RF circuit, providing stable and wireless communication.ESP32-C3FH4 (2.4GHz Wi-Fi and supporting long-distance Bluetooth 5 (LE))built-in 400 KB SRAM and 4 MB FlashUSB Type-C(USB OnThe-Go (OTG))Integrated 5X5 ws2812b-1515(GPIO8) and 2 buttons(GPIO9 and CHIP_EN)3V power LED and status LED(GPIO10)Ceramic AntennaSize & WeightSize: 21 x 18 mmWeight: 2.3gDOCUMENTShttps://github./01Space/ESP32-C3FH4-RGBColour:blackMaterial:PCBPackage Contents:1 x Development boardOnly 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.