Surface Pro 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 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, on the plane, or at your desk. Since it's designed just for Surface, Surface Pro Type Cover easily clicks into place to go from tablet to laptop instantly Compatible with Surface Pro 3, Surface Pro 4 and Surface Pro.