Keyboard: 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 Separate number pad provides greater flexibility for workspace setup Natural Arc key layout mimics the curved shape of the finger tips Reverse tilt angles the keyboard to promote a straight neutral wrist position Mouse: Thumb scoop helps to maintain the correct ergonomic hand and wrist position Windows button provides one-touch access to the Start screen 4-way scroll wheel for navigating up, down, left and right