There are plenty of docks that can add extra ports to a tablet like a Surface Pro, or a slimline laptop. Most are universal dongles that connect to your device via USB-C, but the $199.99 Kensington BlackBelt Rugged Case with Integrated Mobile Dock for Surface Pro 8 puts the ports into a rugged case that makes it easier to hold a Surface Pro 8 in retail and industrial situations and gives it some extra protection if you drop it or something gets spilled. The case meets MIL-STD-810H standards for contamination by fluids (Method 504.3) and drop testing (Method 516.8).
Because it’s a case — or somewhere between a case and a bumper — the BlackBelt Rugged Case is much lighter than most desktop docks at just over 160g. It’s much more convenient than a dock that you need to either plug and unplug as you’re moving around, or