Noopl’s iPhone plug-in is designed to improve hearing in noisy environments

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Noopl looks like one of the more interesting hardware startups to come out of CES day one. The Sacramento-based company has designed an accessory that it says can help drown out background noise for users in a loud environment. The little accessory sports a Lightning plug (it’s currently iOS only), which connects to the bottom of an iPhone. The little…
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