Microsoft Surface Dial

Use Surface Dial on-screen with Surface Studio and have all your tools in one place
Intuitive design that requires only three gesture: press and hold, click, and rotate
Just press and hold to display a radial menu of tools, making it easier and faster to do the things you love in applications like Adobe Creative Cloud, Mental Canvas, Bluebeam, Sketchable, StaffPad, and more
Place your Dial directly on the screen and watch as a color picker or a ruler appears on your digital drafting table
Surface Dial makes daily tasks efficient and fun: Adjust the volume on Spotify tracks, scroll through news articles, or fly through your local city in Windows Maps