The Xperia Tablet Z is a touchscreen Android tablet designed and manufactured by Sony and was first announced in Japan in January 2013. It was then announced globally in Barcelona at the Mobile World Congress on February 25, 2013. The tablet is the lightest and thinnest 10.1-inch tablet in the world with a weight of 1.09 pounds and is just 0.27 inches thick. The Tablet Z succeeds the Xperia Tablet S with a faster processor, a better front facing camera, a higher resolution screen, and Ingress Protection Ratings of IP55 and IP57, for dust-protected, water-jet protected, and waterproof in up to one meter of water for up to thirty minutes. It was released in May, 2013. Via Wikipedia

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