Come and see our amazing products. Made of Aluminum alloy base and ABS keyboard, this bluetooth keyboard is foldable with folding size 5 4/5" X 3 2/5", unfolding size 11 4/5" X 3 2/5". It supports IOS system, android system, windows system and microsoft smart tablet PC. You can use it everywhere by carrying it in your pocket, and enjoy quick and smooth input with the full size keyboard. Pls confirm further with us if any query about packing info, inventory status and time schedule.