Dual-core Arm M0+ processor, flexible clock running up to 133 MHz 264KB of SRAM, and 4MB of onboard Flash memory Onboard CH9120 with integrated TCP/IP protocol stack 14 x multi-function GPIO pins, compatible with some Pico HATs Castellated module allows soldering direct to carrier boards Drag-and-drop programming using mass storage over USB Temperature sensor 8 x Programmable I/O (PIO) state machines for custom peripheral support Colour:blue Material:PC+Metal Package Contents: 1 x Mini 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.