This is a bundle that contains microsoft surface pro 4 microsoft surface pro 4 type cover black microsoft surface dock surface pro 4 surface pro 4 is the proportions of a sheet of paper so that it feels familiar in your hands it goes from tablet to laptop in a snap with the multi position kickstand and improved keyboard powered by windows 10 surface pro 4 turns from a tablet into a full powered laptop while running all of your desktop software the 123 pixelsens