Compare Microsoft (A4B00007) Wireless Keyboard and Mouse to Microsoft Natural Ergonomic 4000 Keyboard (B2M-00012)

Be more productive when viewing and editing digital pictures, PDFs, maps, documents, and Web pages - without taking your hand off the keyboard. Now the Microsoft zoom slider makes it simple to zoom in and out, just slide the lever on your keyboard. And the popular My Favorites keys allow you to quickly access your most used Web and intranet sites.The most unique feature of this keyboard is the Zoom Slider, a lever that falls easily to hand on the left side of the keyboard which allows you to zoom in and out of documents and pictures without ever taking your hands off the keyboard. There are also five customizable "My Favorites" keys that take you right to the Websites you use most. Other Hot Keys allow instant access to Mail, Web, and Messenger. The Sleep Hot Key puts your computer into sleep mode (such as suspend, standby, or hibernation) right from the desktop, preserving data and saving energy. A Log Off button lets you log out of Windows with a single keystroke. Enhanced function keys let you open... Less

Natural Ergonomic Keyboard 4000 has been expertly crafted to allow you to work in a more natural position. The new Gull Wing design features a 14-degree gable, a natural arc and a curved key bed - bringing the keys closer to your fingers to reduce reach and unnecessary motion, while encouraging a more natural typing position. It also comes equipped with an optional palm lift for a seven-degree reverse slope and a cushioned wrist rest that encourages better arm and wrist alignment. Less