A new iPhone add-on devised by California-based company Peri aims to give iPhone users a double whammy: more battery power and sound volume, all for less cash. Called Peri Duo, it comes in the form of ...

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If there are two product areas that seemingly don't need any new entries, those are probably portable Bluetooth speakers and iPhone battery cases. But what if you could get both of those product ...

Small portable Bluetooth speakers and iPhone battery cases are a dime a dozen these days, but up until now, nobody’s ever thought to combine the two. After all, it sounds impossible. How can you ...

Peri Duo ($189.99 MSRP; $150 on Amazon) combines a protective case for iPhone 6/6s with a pair of stereo speaker grilles molded into the back for pumping up the jams without carrying around a separate ...