Charge 6 helps you stay on track with your goals, thanks to advanced health sensors that, combined with a new machine learning algorithm, bring you our most accurate heart rate tracking on a Fitbit tracker yet, 2 and the ability to connect to compatible gym equipment and fitness apps to see your real-time heart rate during workouts. 3 Plus, it’s helpful when you’re on the go with its new haptic side button, up to 7 days of battery life, 4 and the ability to do even more right from your wrist — like control YouTube Music and use Google Maps and Wallet.
