These are the principal features and pricing of the new "iPad" touchscreen tablet computer unveiled by Apple chief executive Steve Jobs.
* About the size of a piece of paper, the iPad is 1.3cm thick and weighs 0.7 kilograms. It has a colour 25cm LED-display screen that allows for viewing video in high-definition
* 16, 32 and 64 gigabytes of flash memory
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* A 16-gigabyte Wi-Fi version will be available in late March worldwide for $US499 ($A558.25). The 32GB Wi-Fi model will cost $US599 ($A670.10) while the 64GB Wi-Fi model will cost $US699 ($A782)
* iPad models equipped with Wi-Fi and 3G will be available in late April in the United States and selected countries. The 16GB model will cost $US629 ($A703.65), the 32GB will cost $US729 ($A815.55) and the 64GB model will cost $US829 ($A927.40)
* Battery life of up to 10 hours from a single charge
* Runs almost all of the over 140,000 applications for the iPod Touch and iPhone available in Apple's App Store
* An online "iBookstore" to complement the iTunes music store. iPad syncs with iTunes so applications and content downloaded from the App Store, iTunes Store and iBookstore will be automatically synced to a user's iTunes library
* A virtual touchscreen keyboard and the ability to hook up an external physical keyboard
* iWork, a productivity suite of applications for creating presentations or working with spreadsheets and charts.
* Powered by A4, a next-generation chip which Apple said provides exceptional processor and graphics performance.
* A Software Development Kit for iPad developers to create applications
