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/cdn.vox-cdn.com/uploads/chorus_image/image/61157197/Fitbit_Flex__Colors.1419979131.0.jpg "Fitbit Flex wristband with Bluetooth could be the best activity tracker yet - The Verge")
Fitbit Flex wristband with Bluetooth could be the best activity tracker yet - The Verge
Fitbit Flex review | Engadget
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