Microsoft Sculpt Ergonomic Desktop USB Port Keyboard and Mouse Combo (L5V-00002) Split keyset design helps to position wrists and forearms in a natural, relaxed position Cushioned palm rest provides support and promotes a neutral wrist position Domed keyboard design positions wrists at a natural, relaxed angle Separate number pad provides greater flexibility for workspace setup The shape of the mouse is designed to maximize wrist comfort Thumb scoop helps to maintain the correct ergonomic hand and wrist position Windows button provides one-touch access to the Start screen Back button for faster navigation