Awake or asleep, the Charge 4 Health & Fitness Tracker from Fitbit is designed to provide you with all-day health and fitness tracking. Featuring built-in GPS, the Charge 4 lets you see your pace and distance when exercising outside, along with a map of your workout. It tracks runs, rides, and hikes, but the Charge 4 is capable of much more than that. Over 20 goal-based exercise modes are at your fingertips. Simply go into an exercise mode during a workout, set a goal, and then see real-time process on screen.