Very very little use, works perfectly, very compact for commuting or working on the go. Layout can take a bit to get used to - my primary full size keyboard is also ~Alice Layout.The ProtoArc Keyboard XK03 is a sleek and versatile foldable ergonomic Bluetooth keyboard designed for office use in a navy blue color. It features a QWERTY layout for standard typing, wireless connectivity via Bluetooth, and comes with a charger included. This keyboard is perfect for those looking for a compact and convenient typing solution that can easily be carried or stored when not in use. With its ergonomic design and English language options, the ProtoArc Keyboard XK03 offers a comfortable and efficient typing experience for users.