Fitbit Sense 2 Color:Shadow Grey / Graphite Aluminum Charge 6 makes it easy

Charge 6 makes it easy to track your blood oxygen levels so you can know when there may be an important change in your well-being

Now with our most accurate heart rate

Swimproof: Charge 6 is swim-proof up to 50 meters

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

Track Health Metrics like skin temperature & blood oxygen

Fitbit Sense 2 Color:Shadow Grey / Graphite Aluminum Charge 6 makes it easyLearn 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