Having two devices on one 2.4 gHz receiver is brilliant, especially for laptops with limited port space. The keyboard and mouse are very quiet and the compressed design of the keyboard makes it both more easily stowed and more ergonomic. The dust cover for the keyboard is a nice addition, and the board has a calculator shortcut key and full F-key row that can be used without the Fn key, both of which are rather critical to my work.Both the key presses and mouse clicks do not have a loud, pronounSee full review