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:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/51333271/DSCF5750.0.0.jpg "Fitness trackers aren't very accurate at measuring heart rate — and that can be dangerous - The Verge")
Fitness trackers aren't very accurate at measuring heart rate — and that can be dangerous - The Verge
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Fitbit heart rate not working or inaccurate? Let's fix it - MyHealthyApple
Fitbit heart rate monitor in-depth: Accuracy, features and zones explained
Fitbits, other wearables may not accurately track heart rates in people of color
Fitbit heart rate monitor in-depth: Accuracy, features and zones explained
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How do I track heart rate with my Fitbit device?
