The iPad 2 is the second and current generation of the iPad, a tablet computer designed, developed and marketed by Apple Inc.. It serves primarily as a platform for audio-visual media including books, periodicals, movies, music, games, presentations and web content, and is available in black or white. The iPad 2 has a lithium-ion polymer battery that lasts up to 10 hours, a new dual core Apple A5 processor and VGA front-facing and 720p rear-facing cameras designed for FaceTime video calling. Apple unveiled the device on March 2, 2011, began selling it by website and retail stores on March 11, and released it in 25 other countries on March 26, including Australia, Britain and Canada. Apple announced that the iPad 2 would be released in Hong Kong, South Korea, Singapore and other countries on April 29, 2011.