<font size="2" face="helvetica,geneva,arial">The Apple Wireless Keyboard works with the Bluetooth option in your Mac to provide a cable-free way to interact with your system at a distance of up to 10 meters (33 feet). A robust 128-bit over-the-air encryption keeps sensitive information safe as it is being typed. Apple is the first to deliver intelligent software to prevent interference with Airport wireless networks without any performance degradation. </font><font size="2" face="helvetica,geneva,arial"><p>The full-size, yet compact wireless keyboard takes up very little space on the desktop and easily fits on a user&#39;s lap. </p><p>It features 16-function keys, full numeric keypad, document navigation keys, and an inverted-T for quickly zipping up, down and sideways in a game or a spreadsheet. Conveniently located audio controls and the ability to eject optical media are also included. The Wireless Keyboard comes standard with 4 premium Energizer E2 Titanium AA batteries. An advanced power management systems that automatically switches to low power modes during periods of inactivity make sure you get the most from your batteries. An off switch allows you to conserve even more power when you know you&#39;re going to be away from your system for an extended period. </p><p>Choose the perfect companion to the Apple Wireless Keyboard: the new Apple Wireless Mouse (kit sold separately). </p><p><b>Important:</b> Requires a Bluetooth enabled Macintosh (either built-in or using the qualified D-Link DBT-120 USB Bluetooth Adapter (Hardware version B2 or later. Older D-Link DWB-120M adapters are not supported). Mac OS X, v10.2.6 or higher required. </p></font>