Get more out of everyday moments with the all-new Fitbit Charge 4. The best just got better! Maximize your home workout and take your goals further. The new Fitbit Charge 4 helps you track your Active Zone Minutes Our most popular fitness tracker now with built-in GPS & Active Zone Minutes With Fitbit Charge 4, there’s no limit to how far you can go. This sleek, water-resistant tracker is packed with features that help you know your workouts and your body better…like built-in GPS, Active Zone Minutes, new exercise modes and sleep tracking. Plus, with Fitbit Pay and up to 7-days battery life, you get more convenience on the go and more inspiration to reach your health and fitness goals. Exceed your goals with built-in GPS, Active Zone Minutes and up to 7 days battery life on Fitbit Charge 4.