Fitbit heart rate not working or inaccurate? Let's fix it - MyHealthyApple
Lies! My fitbit recently started doubling my heart rate. I'm sitting here calmly typing while my fitbit versa says my heart rate is 130. Yesterday, apparently driving for 4½ hours turned me
Charge 4 heart rate zones inaccurate - Fitbit Community
Fitbit heart rate not working or inaccurate? Let's fix it - MyHealthyApple
Fitbit's heart rate tracking is wildly inaccurate, study finds
Heart rate readings too high in Fitbit Versa - Page 3 - Fitbit Community
Fitbit's heart rate tracking is wildly inaccurate, study finds
Wrong heart rate - Fitbit Community
Fitbit Inspire 2 not tracking your heart rate? Try this quick fix - MyHealthyApple
Fitbit hit with class-action suit over inaccurate heart rate monitoring - The Verge
Solved: Heart rate on watch and app not matching - Fitbit Community
Fitbit lawsuit alleges heart rate monitors are inaccurate, misleading