All models have Wi-Fi and Bluetooth connectivity built in. Roles expounded the device has a battery that lasts ten hours and can sit for a month on standby without needing a charge. Apple will also sell a version with pay-as-you-go data plans from AT&T in the U.S. 2 tiers of info plan should be available without contracts : $14.99 every month for 250 megabytes of info, or $29.99 for limitless info usage.

Those 3G models will be more expensive - $629, $729 and $829, depending on the amount of memory. The Wi-Fi only version will be available worldwide in March, and the 3G version in April. Global cellular information details haven't yet been declared.