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Fitbit Flex Review
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Fitbit Flex Teardown - iFixit
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Fitbit joins wearable fitness-tracking realm with Bluetooth 4.0-enabled $100 Flex Wristband - 9to5Mac
Fitbit Flex commercially launches with Bluetooth 4.0, active minutes tracking | MobiHealthNews
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How to set up your Fitbit Flex - CNET
Fitbit Flex Teardown - iFixit
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A recap of the 6 innovative digital health products that dominated CES 2013 held in conjunction with the Digital Hea… | Fitness tracker app, Fitness tracker, Fitbit
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How to Set Up a Fitbit Flex (with Pictures) - wikiHow
The Fitbit Flex Is The Best Fitbit Yet | TechCrunch
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