Microsoft Sculpt Comfort Desktop (L3V-00001) Keyboard: Contoured design promotes a natural wrist position and puts keys within easy reach Detachable palm rest can be removed for a sleek, compact look Split spacebar with backspace functionality is designed to improve typing efficiency Cushioned palm rest provides support and promotes a neutral wrist position Palm lift promotes a straight, neutral wrist position Mouse: Windows touch tab provides easy access to the Start screen and apps 4-way touch scrolling for navigating up, down, left and right Works on virtually any surface with Blue Track Technology