There are at least two problems with most smartphone displays: They can be tough to view outdoors, and they can be power hogs that run down your battery. PocketBook has a solution for both problems... and it comes in the form of a special case for the Samsung Galaxy S4. PocketBook's case features a 4.3 inch E Ink, 640 x480...
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PocketBook introduces Galaxy S4 case with E Ink screen is a post from: Liliputing
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