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. Existing keyboard and mouse for initial set up. iPad, Bluetooth-enabled Mac computer. Aluminum Keyboard Software Update 2.0 Style: MC184LL/B