. Built-in GPS, Stress Management Tools, & 24/7 Heart rate monitoring. AMOLED touchscreen display. 7-day battery life. Compatible with Apple iOS & Android 10 devices. Fitbit Charge 6. Boost your routine with our #1 fitness tracker. Now with our most accurate heart rate, plus Google essentials like Maps, Wallet and YouTube Music controls. Features. Cardio Fitness Level. Get to know your VO2 max and see how well your body uses oxygen when you’re working your hardest. Sleep Score. Learn about the quality of your previous night’s sleep with a personalized sleep score. SmartTrack. Forget to start tracking? Don’t sweat it. SmartTrack automatically recognizes and records workouts. SpO2 & Skin Temperature. Spot changes in your blood oxygen levels and skin temperature to know more about your well-being. 7-Day Battery Life. Leave your charger behind on your next long weekend trip with a tracker that can go for up to 7 days. Stress Management Score. Get a daily score showing your body’s physical response to stress – and how your routines can help. Navigation Button. Find what you need with an easy side button. Just a quick tap lets you jump to your home screen or see your stats. Smart Notifications. Stay in the loop with call, text, calendar, and other app notifications – including Gmail, Google Calendar, and more. Display. The Fitbit Charge 6 has a 1.4" AMOLED touchscreen display. What's Included. This will include the Charge 6, Obsidian Band (small & large), Frost White Band, and charger cable.