How accurate are Fitbits? it recorded a 210 max bpm, which should not be possible at my age : r/fitbit
Versa showing BPM as 150++ during sleep?!?! - Fitbit Community
Fitbit Support on Twitter: "@chillin4ever086 Thanks for the photo. Your resting heart rate would be 89 bpm. You're seeing the number "75" since you've enabled the live heart rate data feature. It
Solved: Heart Rate graph on Android Fitbit App - Fitbit Community