![Nine Fitbit fitness trackers and smartwatches will now warn of atrial fibrillation after new update - NotebookCheck.net News Nine Fitbit fitness trackers and smartwatches will now warn of atrial fibrillation after new update - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/download1188.jpg)
Nine Fitbit fitness trackers and smartwatches will now warn of atrial fibrillation after new update - NotebookCheck.net News
![Fitbit Charge 5 gets Find Phone feature alongside battery drain issue fix in latest update - NotebookCheck.net News Fitbit Charge 5 gets Find Phone feature alongside battery drain issue fix in latest update - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/_processed_/2/a/csm_Fitbit_Charge_5_9_a07514b475.jpg)
Fitbit Charge 5 gets Find Phone feature alongside battery drain issue fix in latest update - NotebookCheck.net News
![The Latest Fitbit OS Update Delivers Even More Health and Convenient Features to Smartwatches - Fitbit Blog The Latest Fitbit OS Update Delivers Even More Health and Convenient Features to Smartwatches - Fitbit Blog](https://blog.fitbit.com/wp-content/uploads/2021/05/may21-sense-spo2-today-blog-image.png)
The Latest Fitbit OS Update Delivers Even More Health and Convenient Features to Smartwatches - Fitbit Blog
![Amazon.com: Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included) : Sports & Outdoors Amazon.com: Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included) : Sports & Outdoors](https://m.media-amazon.com/images/I/71smqRr0pmL.jpg)