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Fitbit Flex review | TechRadar
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Fitbit Flex review: Gone but not forgotten | Expert Reviews
Fitbit Flex 2 review - Tech Advisor
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Fitbit says 'external forces' caused the damage to Flex 2
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Fitbit Flex 2 Review | My Honest Thoughts & Best Features - The Cornish Life | Cornwall Lifestyle Blog
Fitbit Flex review: A most versatile, feature-packed tracker - CNET
