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Samsung Galaxy S 4 Preview video: http://youtu.be/j4K61QXrEMM

We just wrapped up the unveiling of the Samsung Galaxy S 4 and, while the hardware of the phone itself held few surprises, this accessory did. Samsung doesn't have a formal name for it just yet, but this concept device is expected to launch sometime this summer. It's basically a first-party Bluetooth controller with a full complement of face buttons, dual analog sticks, a D-pad and even shoulder buttons on the back. It's powered by dual AAA batteries and connects wirelessly, the phone held in place by an expanding clamp up top that looks plenty big enough to support a Note II (we tried, it fit fine) and maybe even something like the Note 8.0!

Read our full hands on with the Samsung Prototype Wireless Game Pad here: http://goo.gl/gNE9N

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