The Apple Wireless Keyboard features an elegant, anodized aluminum enclosure with low-profile keys that provide a crisp, responsive feel The ultracompact design takes up 24 percent less space on your desktop & gives you extra room to mouse comfortably next to your keyboard. Function keys provide one-touch access to a variety of Mac features such as screen brightness, volume, eject, play/pause, Exposé, & Dashboard. & its Bluetooth wireless technology lets you use it just about anywhere within 30 feet of your Mac The keyboard automatically powers down when you're not using it & turns on instantly as soon as you start typing. It also has an on/off switch for when you're away from your computer for a long time