Today, Sony (SONY 1.10%) unveiled its new premium Xperia Z Ultra Android smartphone. At 6.4 inches, the company says the phone is the world's largest, slimmest, and only waterproof, full-HD smartphone display.

The phone's features include:

  • Qualcomm Snapdragon 800 2.2 GHz quad-core processor, with 4G LTE connectivity.
  • Write and sketch on the display with any pencil and selected stylus or pen.
  • Capable of filming full HD underwater.
  • HD voice.
  • Dust-resistant design.
  • Battery-saving features that automatically turn off background functions when not in use.

Calum MacDougall, Sony's mobile communications director at Xperia, said in a press release that, "We're already bringing the best of Sony technology and design across a range of premium smartphones and tablets, and now we are bringing this same premium offering to the large-screen smartphone segment, setting a new standard for others to follow."

The Xperia Z Ultra will launch globally in Q3 2013, with exact availability varying depending on the market. Sony hasn't released pricing details.

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