This product is a development board In a small form factor, it is equipped with a 1.47-inch LCD screen, Micro-SD card slot, RGB lights and other peripherals, making it easy to develop and integrate into products. RP2350A microcontroller chip designed with for . dual-core, dual-architecture, equipped with dual-core ARM -M33 processor and dual-core Hazard3 RISC-V processor, clock frequency up to 150MHz. Built-in 520KB and 16MB on-chip Flash. Uses Type-C interface, no need to worry about plugging it in the right or wrong direction (Type-C interface version only). The main functional features are: Onboard 1.47 inch LCD screen, 172 x 320 LCD screen, 172 x 320 resolution, 262K color. USB1.1 host and device support. Supports low power sleep and hibernation modes. USB can be recognized as mass storage for drag-and-drop downloading. Precise on-chip clocks and . Onboard temperature sensor. Onboard RGB colored lamp beads, with transparent acrylic interlayer, can achieve cool lighting effects. The product appearance and printed words depending on the batch, but this does not affect use. Specification:B:without pin header Color: Material:PCB+LCD Package Contents: 1 * 1.47inch LCD Board(USB) 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.