• Split ergonomic design encourages natural hand, wrist, and forearm positions.
• Cushioned palm rest provides support and promotes a neutral wrist position.
• Palm lift promotes a relaxed, natural angle for your wrist.
• Media keys for music and video control.Users of Mac OS X v10.2.x must install enclosed IntelliType Pro and IntelliPoint software before connecting the hardware.

Product Description ------------------- Type in total comfort with the split ergonomic design of the Natural Ergonomic Keyboard 4000, which encourages natural hand, wrist and forearm positioning. From the Manufacturer --------------------- Microsoft Natural Ergonomic Keyboard 4000 for Business ------------------------------------------------------ Advanced ergonomic design Make the Move to Superior Comfort with this Breakthrough Keyboard Design ----------------------------------------------------------------- Place your hands and arms naturally and comfortably with the Microsoft Natural Ergonomic Keyboard 4000. The improved split design encourages a more natural hand, wrist, and forearm position and its new curved key layout makes keys easier to reach. The Zoom Slider lets you zoom in for close-ups of Web pages, images, and more — with just the touch of a finger. And 5 customizable “My Favorites” keys give you instant access to the folders, files, and Web pages you use most. Key Features ------------ * Zoom - Get a closer look quickly and accurately with the intuitive Zoom Slider. * Customizable Hot Keys - Perform common tasks, like opening documents and replying to email messages, with the touch of a button. * Improved Number Pad - Quickly reach for commonly used symbols, such as equal sign, parentheses, and "Backspace." They are now located just above the number pad. * Ergonomic Design - Type in total comfort-ergonomic design encourages natural wrist and arm alignment so you can work without discomfort. Product Details --------------- * Device Stage - Quickly and easily access common tasks, including product information, registration, settings, and more for popular devices such as cell phones, cameras, printers, and mouse, keyboard, and webcam products. * Taskbar Favorites - Easily access programs in the taskbar with convenient keyboard hot keys. The keys automatically adapt to the new location of applications that have been rearranged by dragging. * Email and Internet Hot Keys - Touch a button to quickly access your email application and the Internet. * Multimedia Keys - Quickly and easily access and control all of your media from your keyboard. * Lockable F Key - Lock your F keys to avoid engaging them unintentionally. * Integrated Palm Rest - Get better support with this plush, integrated palm rest. * Cutting-Edge Design - Whether you're at work or play, improve your performance with cutting-edge Microsoft design. System Requirements ------------------- * Computer/Operating System Windows 8, Windows 7, Windows Vista, Windows XP (excluding Windows XP 64-bit) * Hard Drive 100 MB * Other USB Port