No matter how stylishly makers dress them up, most smartphone cases are really about one thing: protecting screens from smashing. They're fragile cargo, we get it. Of course, some enterprising companies have taken things further, whipping up cases that transform into Android phones and selfie drones. Now Royal Holdings has jumped into the fray with SWORD, a five ounce phone case that works like a 3D-imaging scanner.
The SWORD is a weapon-detecting smartphone case posted first on https://www.engadget.com
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