Features: Seeed Studio XIAO RP2040 Microcontroller, withDualCore ARM Cortex M0+ Processor Powerful XIAO RP2040 is a microcontroller that uses RP2040 chip and 2MB flash memory This microcontroller features a dualcoreARM Cortex M0+processor and runs at a speed of up to 133MHz. Multiple interfaces: 11 digital pins, 4analog pins, 11 PWM pins, 1 I2C interface, 1 UART interface, 1SPI interface, and 1 SWDadhesive board interface SupportsArduino, MicroPython and CircuitPython with Rich Interfaces. Specifications: Item：Seeed Studio XIAO RP2040 Microcontroller Processor：DualCoreARM Cortex M0+ SupportsArduino, MicroPythonandCircuitPython Package Includes: 1PC Seeed XIAO RP2040 Microcontroller note: Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you