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6 Ways Continuous Heart Rate Tracking Gets You Closer to Your Goals
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Fitbit Technology | PurePulse
Fitbit Charge 6 Review: Now With More Google | WIRED
Fitbit Versa Lite Smartwatch With Heart Rate Monitor Review | Best Buy Blog
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Fitbit Technology | PurePulse
The FitBit Alta HR helped me monitor my heart rate. I never want to see it again. - Vox