![First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker](https://media.dcrainmaker.com/images/2018/08/Fitbit-Charge-3-First-Loook-Band.jpg)
First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker
![RIP Charge 2 (2017 -2021) - after a short bike ride and now no heart rate tracking 3 weeks later. Note: Photo is not flipped. : r/fitbit RIP Charge 2 (2017 -2021) - after a short bike ride and now no heart rate tracking 3 weeks later. Note: Photo is not flipped. : r/fitbit](https://preview.redd.it/t7fnwtscorf61.jpg?auto=webp&s=7e2dc09e560d47fca92991a2660d9e3a6a6163b0)
RIP Charge 2 (2017 -2021) - after a short bike ride and now no heart rate tracking 3 weeks later. Note: Photo is not flipped. : r/fitbit
![The Fitbit Charge 3: A Fitness Tracker With A Heart Rate Monitor And A Blood Pressure Monitor – excel-medical.com The Fitbit Charge 3: A Fitness Tracker With A Heart Rate Monitor And A Blood Pressure Monitor – excel-medical.com](https://excelmg.excel-medical.com/1666187345346.jpg)
The Fitbit Charge 3: A Fitness Tracker With A Heart Rate Monitor And A Blood Pressure Monitor – excel-medical.com
![AHA: Fitbit shows it can track down atrial fibrillation in 450,000-strong heart study | Fierce Biotech AHA: Fitbit shows it can track down atrial fibrillation in 450,000-strong heart study | Fierce Biotech](https://qtxasset.com/quartz/qcloud5/media/image/fiercebiotech/1636988676/FEATURE_1H.jpg/FEATURE_1H.jpg?VersionId=5X_4dNAQoeGE.0pT3nG67AkWzG8GOlks)
AHA: Fitbit shows it can track down atrial fibrillation in 450,000-strong heart study | Fierce Biotech
![Fitbit launches large-scale consumer health study to detect a-fib via heart rate sensors, algorithm | MobiHealthNews Fitbit launches large-scale consumer health study to detect a-fib via heart rate sensors, algorithm | MobiHealthNews](https://www.mobihealthnews.com/sites/default/files/Fitbit_Charge_4_Full_Accessory_Collection_Screens_Cropped_0.jpg)