Microsoft Surface Dial

Diameter: 5.9 cm (5.4 cm base) Height: 3.0 cm (0.4 cm base) Weight: 0.145 kg (with 2 batteries) System requirements: Windows 10 Anniversary Update Bluetooth 4.0 or later Surface Dial is placed directly on the screen Navigation and shortcuts tostreamline digital workflows Intuitive design works with only three simple gestures: press & hold, click, and rotate On-screen interaction with Surface Studio. All tools in one place. With Surface Dial in one hand and Surface Pen in the other, youcan unlock your creativity with easy access to shortcuts, controls, drawing tools, and more.