Blaze's Heart Rate Stuck on 70 bpm - Fitbit Community
Is the heart rate monitor very accurate?: AppleWatch
Blaze's Heart Rate Stuck on 70 bpm - Fitbit Community
Yesterday my miband 4 decided to stop measuring my heart rate automatically and now it doesn't even work when I do it manually. Any way to fix this?: miband
Fitbit Sense review: A work in progress (Update: ECG monitor!)
Zkušenosti s náramkem Fitbit Charge HR | by Jiri Stepan | Etnetera Activate | Medium
Fitbit Sense officially has broken heartrate tracking, no resolution from Fitbit : r/fitbit