It seems that we have reached the stage of technology where everything has shrunk. This device, which is one of Let's say a thousand, of a finger, is the same as the 386 or even 486 computer. It is both fascinating and scary at the same time.
Here's the article from PC Gamer that we used.
https://www.pcgamer.com/hardware/processors/worlds-smallest-microcontroller-looks-like-i-could-easily-accidentally-inhale-it-but-packs-a-genuine-32-bit-arm-cpu/