Features: Features RP2350 microcontroller with ARM M33 and RISC V Hazard3 design, running at 150MHz for flexible architecture switching. Equipped with 520KB and 16MB to handle complex projects with ample computing power and storage. Include 0.85Inch LCD screen with 128x128 resolution and 65K colors, driven by ST7735 chip via SPI. Offer color reproduction and wide viewing angles for clear data visualization and interactive development. Built in led lights for dynamic effects, ES8311 for playback/recording, programmable button. Ideal for diverse development scenarios. Powered via Type C with drag and programming, not complex tools required. Optional battery version available for portable use. Low power design supports sleep modes for extended operational. Measures just 46x22.5Mm with I2C, UART, and USB1.1 Host/device support. Perfect for projects, or interactive devices with easy expansion. Specifications: Component:ABS Type:Without Battery/With Battery Size:Approx.46x22.5mm/1.81x0.88inch Frequency: 150MHz. Memory: 520KB Storage: 16MB Screen (LCD) size: 0.85inches. Resolution: 128x128 Color support: 65K color Input: Type C Package Includes: 1 Set Development Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.