"For use with your Mac as well as your iPod, the sleek, completely cable-free aluminum Apple Wireless Keyboard uses Bluetooth technology, so you're free to move the keyboard just about anywhere within range and wirelessly type away. Use the Apple Wireless Keyboard on your desk, on your lap, or anywhere within 30 feet of your Mac or iPad.Its compact design takes up 24 percent less space on your desktop than full-size keyboards, so you have extra room to move the keyboard around and mouse comfortably alongside of it. You'll also feel a difference when you type on its low-profile anodized aluminum enclosure with crisp, responsive keys. Use the function keys for one-touch access to a variety of Mac features such as screen brightness, volume, eject, play or pause, Exposé, and Dashboard. The Apple Wireless Keyboard requires just two AA batteries, and its intelligent power management system conserves battery life. So when you're not using the keyboard, it automatically powers down. The instant you start typing, it turns back on. Use the on or off switch when you're away from your computer for a long time. What's in the Box Apple Wireless Keyboard, two AA batteries, printed documentation System Requirements Bluetooth-enabled Mac computer with Mac OS X v10.6.8 or later and existing keyboard and mouse for initial setup. iPad (some function keys designed for use on the Mac will not work on iPad)"
Use the Apple Wireless Keyboard on your desk, on your lap, or anywhere within 30 feet of your Mac or iPad all because of its built-in Bluetooth technology.
Easy on the eyes. And hands: you'll see that it takes up far less space. Up to 24 percent less than other full-size keyboards.
The Apple Wireless Keyboard requires just two AA batteries - one less than the previous model. Mac OS X v.10.6.8 or later.
iPad, Bluetooth-enabled Mac computer. Aluminum Keyboard Software update 2.0