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How do I get the Fitbit charge 3 to display my heart rate? I got it today (2nd hand) and it doesn't seem to be showing any live heart rate readings. Does
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Fitbit Charge 3 review: How does it hold up in 2021?
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Fitbit Charge 3 Review | PCMag
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Charge 3 101 Guide
Fitbit Charge 3 with heart rate monitor blogger review - YouTube
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Fitbit Charge 3 review | Stuff
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