- Introducing 2™ - YouTube
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- Flex Review | PCMag
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- Hands-on: Fitbit's new Flex 2 and Charge Activity Trackers, plus Blaze & Alta updates | DC Rainmaker
- Fitbit Flex 2 - YouTube
- Fitbit vs Flex 2: Features, Comparison & Verdict - Review Position
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- Fitbit Flex 2 Review | Tested GearLab
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- Fitbit Alta Flex 2: Which is the best fitness tracker you? - Wareable
- User manual Flex 2 (English - 36 pages)