Place your hands and arms naturally and comfortably with the 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.
From the Manufacturer
Natural Ergonomic Keyboard 4000

Industry-Leading Ergonomic Design

Given the time you spend with your hands on a keyboard, investing in the newest addition to Microsoft's best-selling line of ergonomic keyboards can pay dividends in greater comfort. According to some studies, ergonomic keyboard designs, such as the Natural line, have been associated with significant reduction of carpal tunnel syndrome symptoms. Rest your wrists against the plush palm rest in a relaxed, natural angle with this keyboard's curved key bed, ergonomic arc, and reversed slope. Apart from comfort and support, enjoy quick, customizable way to reach files, folders, and web pages with handy hot keys. For close-in tasks, use the Zoom Slider, located in the middle of the keyboard, to zoom in and out with the touch of a finger.

Key Features
1.Zoom - Get a closer look quickly and accurately with the intuitive Zoom Slider.
2.Customizable Hot Keys - Perform common tasks, like opening documents and replying to email messages, with the touch of a button.
3.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.
4.Ergonomic Design - Type in total comfort-ergonomic design encourages natural wrist and arm alignment so you can work