Sony's 6.4-Inch Xperia Z Ultra Can Be Used Underwater

Who says a large-screen phone can't be thin as well?

Sony announced the Xperia Z Ultra Tuesday during the Mobile Asia Expo in Shanghai, a handset that pushes the limits both when it comes to screen size and thinness.

The Android 4.2 handset has a massive 6.4-inch Full HD display, Qualcomm Snapdragon 800 processor, and an 8-megapixel built-in camera for snapping photos

The Xperia Z Ultra is 6.5mm thick. making it one of the thinnest smartphones on the market. In contrast, Samsung’s has a much smaller 5.5-inch screen, and is much thicker, measuring in at 9.4mm.

Much like , the Xperia Z Ultra is waterproof. The phone has an IP55 rating, making it not only water-resistant, but enough so that it can actually be used for things like shooting video underwater.