Fitbit Charge 4 – BlackTheres no limit to how far you can go. This sleek, water-resistant tracker is packed with features that help you workouts better such as 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 and more inspiration to reach your health and fitness goals.Up to 7 days battery life*Active Zone MinutesBuilt in GPSSmart WakeSleep Stages & Sleep Score24/7 heart rate trackingSpotify Connect & Control** *Up to 5 hours with GPS-varies with use and other factors**Spotify Premium subscription required. App not available in all countries.