Fitbit Charge 4 Activity Tracker + Heart Rate Monitor (S & L bands included) | Open Box

Key Features
• Built-In GPS: During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Charge 4, then see a mapy of your workout in the Fitbit app.
• Active Zone Minutes: Feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise.
• 24/7 Heart Rate: Use 24/7 heart rate to track resting heart rate, better measure calorie burn and optimize your workouts.
• Long Battery Life: With a battery life of up to 7 days--and up to 5 hours when continuously using GPS--Fitbit Charge 4 lets you do more with less charging. (Varies with use and other factors)