Microsoft Surface Pro 4 Type Cover 4.54mm ultra-thin form factor Mechanical keys that are slightly spread out to allow for precision typing Enlarged trackpad experience Backlit for use under low lighting conditions Windows shortcut, function, brightness, and media keys for easy navigation Doubles as a cover to protect the screen from damage Constructed using premium materials with a soft yet sturdy base Tablet to laptop in a snap The next generation of Type Cover, made for Surface Pro 4, offers the most advanced Surface typing experience yet. Surface Pro 4 Type Cover feels and performs like a traditional laptop with a redesigned mechanical keyboard with optimal key spacing for fast and fluid typing, and an enlarged glass trackpad for precision control and navigation. Adding Surface Pro 4 Type Cover to SurfacePro 4 instantly puts a highly versatile laptop in your hands. Full laptop experience Surface Pro 4 Type Cover has a new improved design with slightly spread out keys for a more familiar and efficient typing experience that feels like a traditional laptop. The two button trackpad is now larger for precision control and navigation. Work the way you want. The keyboard is sturdy with enhanced magnetic stability along the fold so you can adjust it to the right angle and work on your lap.