Elasticated corners for easy attachment and a firm hold Openings provide full access to ports and controls Media keys for specific functions of the respective operating systems Easy cleaning and comfortable typing thanks to low-profile chiclet keys Quiet buttons for relaxed working without disturbing clicking noises Control multimedia functions at the press of a button via the secondary assignment of Fn keys - without having to go through the tedious steps of changing system settings Fn lock for fast changing between first and secondary assignment of keys, which is handy when you use the multimedia functions more often than the F buttons.