The Lenovo 300 USB keyboard offers an intuitive and comfortable island key design with 2 5 zone layout including separate number pad This full-size keyboard includes concaved key caps fitted for your fingertips Spill resistant keys with a board drain help keep your PC keyboard protected and keep you productive The complete ergonomic design includes an adjustable tilt to improve your typing comfort OS independent – This convenient computer keyboard works with laptops desktops and any computer with a USB port