This keyboard comes with the new iMac, but can be purchased separately for $49 and used with older Macs. There are some new functions included in this keyboard like allowing you to control screen brightness, activate exposé, and media controls for iTunes. You'll need a software update to make use of these new features with your older Mac. It's sibling, the Apple Wireless Keyboard is available for $79 and is powered by Bluetooth.
System Requirements
- Mac computer with available USB 1.1 or USB 2.0 port
- Mac OS X v10.4.10 or later
- Keyboard software update