Brand new never used Ergonomic Microsoft Natural Keyboard Elite Stay comfortable and work longer with the Microsoft Natural Keyboard Elite. The split, gently sloped shape of this keyboard allows you to type with a more natural hand, wrist, and forearm position. The ergonomic design helps to prevent poor posture and fatigue, so you can work longer at your computer. At the same time, enhanced F-key commands and a multimedia center give you more control over how your system works, enabling you to tailor your keyboard to match your needs. Features & details Keyboard features ergonomic design for comfort Multimedia controls for easy access to music and video files Enhanced F-key commands for customizable shortcuts Connects to PC via USB or PS/2 ports Attractive white finish Ergonomic design Built-in palm rests, adjustable keyboard legs Space-saving design PS/2 and USB ports ensure compatibility with newer and older PCs Works with most Microsoft MS-DOS and Windows platforms Product information White , Retail Manufacturer Microsoft Manufacturer reference A11-00337 Product Dimensions 45.7 x 20.3 x 5.6 cm; 1.81 kg Shipping Weight 1.32 kg ASIN B0000642RX