Excellent performance: Based on ESP32-C3FH4 WIFI and Bluetooth LE RISC-V single-core CPU, with 4MB flash memory and 400KB , supports 2.4 GHz Wi-Fi and Bluetooth low energy. Development environment compatibility: suitable for development environments such as and Micropython, Perfectfor IoT, wearable devices and smart home scenarios. Rich peripherals: integrated UART, I2C, I2S, remote control peripherals, LED PWM control, general DMA control, TWAl controller, USB serial/JTAG control, temperature sensor and ADC. Support SPI, dual-channel SPI and four-channel SPl interface. There is no or native capacitive touch. Convenient operation: Type-C USB interface. 1x reset button (CHIP_EN, great for restarting your program or entering ROM bootloader). 1x boot button (GPI09, to enter ROM bootloader or for user input). Type: Development Board Model: ESP32 C3 Operating voltage: 3.3V Colour: Material:PCB Size:23.5x18mm Package Contents: 1 x Development Board 4 x Pin Header 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.