Amazon.com: Fitbit Versa 4 Fitness Smartwatch with Daily Readiness, GPS, 24/7 Heart Rate, 40+ Exercise Modes, Sleep Tracking and more, Waterfall Blue/Platinum, One Size (S & L Bands Included) : Everything Else
Heart rate, steps and calories burned not showing ... - Fitbit Community
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Amazon.com: Fitbit Versa 3 Health & Fitness Smartwatch with GPS, 24/7 Heart Rate, Alexa Built-in, 6+ Days Battery, Black/Black, One Size (S & L Bands Included) : Sports & Outdoors
Some Fitness Trackers Give Inaccurate Measurements Of Calories Burned : Shots - Health News : NPR