https://www.microsoft.com/en-us/surface/accessories/surface-precision-mouse Mouse is available for 99$ as far as Microsoft website is concerned. https://www.amazon.com/Microsoft-Surface-Precision-Mouse-Light/dp/B076KRHJ7B And around 90$ on Amazon.

Micro USB and not USB Type-C... Does Microsoft know what year it is?

Disappointing--a $100 mouse that adds little to no enhanced functionality over a standard Bluetooth mouse half it's price. Almost as disappointing as their Surface Dial (which I actually bought out of sheer curiosity) that can't be customized outside of its support for handful of programs, majority which are first-party.