Fitbit Sense 2 Color:Shadow Grey / Graphite Aluminum Click here to learn more

Click here to learn more about Versa 4

ECG App: Keep track of your heart health with an ECG app that detects your heart’s rhythm and can notify you for signs of atrial fibrillation

Google account required

The Fitbit ECG app is only available in select countries

Fitbit Sense 2 Color:Shadow Grey / Graphite Aluminum Click here to learn moreLearn to manage stress & sleep better with our most advanced health & fitness watch. Includes 6 month Fitbit Premium membership. About this item All day body response tracking with a newly added sensor Sleep Profile and breakdown of time in light, deep & REM sleep to see what's impacting your rest (Premium only) ECG app Blood oxygen (SpO2) Notifications for call, text and apps (Available when phone is nearby) 6+ day battery life (Varies with use and