Fat burn used to be a threshold of 95bpm. Why is it now 123? I got a new Fitbit and it's really confusing. : fitbit
Fitbit heart rate monitor in-depth: Accuracy, features and zones explained
Fitbit thinks my fever is exercise : r/fitbit
The Truth About Fat Burning Exercise - Fitbit Blog
Fitbit Charge 3 Review: Comprehensive Health Tracking
The Best Fitness Trackers for 2022 | PCMag
Fitbit tells me I was in fat burning mode...I'm new to all this and didn't do any strenuous activity. How truthful is this?? Was I really in fat burning mode? : r/fitbit
The #1 Fitbit Weight Loss Mistake - And How to Avoid It! - LalyMom
Burn Fat Fast With Target Heart Rate Zones
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Ask Fitbit: Why Does My Calorie Allowance Change Throughout the Day?