1. High performance processor: RISC-V 32-bit single core processor, with a main frequency of 160MHz, low power consumption and high efficiency. 2. Wireless connection: Supports 2.4GHz Wi Fi and Bluetooth 5 (LE) to meet various communication needs. 3. Built in display: 0.71-inch LCD screen, 160 x 160 resolution IPS panel, suitable for GUI interface. 4. Rich storage: 400KB +384KB ROM, 4MB Flash, providing sufficient memory support. Low power SoC equipped with RISC-V 32-bit single core processor, with a clock speed of up to 160 MHz Supports 2.4 GHz Wi Fi (802.11 b/g) and Bluetooth 5 (LE) Built in 400 KB and 384 KB ROM, stacked with 4 MB Flash Onboard 0.71-inch LCD screen, 160 x 160 resolution, IPS panel Built in battery charging management circuit, with reserved VBAT solder joints, can be powered by external lithium batteries Lead out some GPIO interface pin solder joints, which can be used for external expansion applications Support flexible clock, separate module power settings and other controls to achieve low-power mode in multiple scenarios Product parameters: MCU:ESP32-C3FH4 Display size: 0.71 inch Working voltage: 3.3V Display resolution: 160 x 160 Backlight current: 20mA Display panel: IPS Display interface: 4-wire SPI Driver IC: GC9D01 Brightness: 350 cd/ (typical value) Product size: 20.12 x 22.3 x 1.81 (H x V x D) (mm) Application scenario: Suitable for developing low-power AI simulation eye, watch and other HMI applications based on ESP32-C3 Colour:As Shown Material:Plastic Package Contents: 1 * 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.