Sell Fitbit Charge 4 Heart Rate Fitness Wristband BUILT-IN GPS best price

Charge 4 is made for health and fitness and packed with new features to keep you on track. Built-in GPS During outdoor runs, cycles, hikes, and more use built-in GPS to see your pace and distance, then see a map of your workout in the Fitbit app. 24/7 Heart Rate Use 24/7 heart rate to better track calorie burn, optimize workouts, and know how hard you're working as you make moves on your fitness goals. Active Zone Minutes Track the time you're spending in your personalized heart-rate zones so you can see if you're meeting the weekly recommendation of 150 minutes. Workout Intensity Map After tracking outdoor exercises, get a map of your route and your heart rate zones throughout to see where you put in the most effort. Heart Rate Zones See when you are in your personalized fat burn, cardio, or peak heart rate zones to optimize effort during workouts. Resting Heart Rate Wear Fitbit Charge 4 all day and night to record and reveal your resting heart rate, track heart rate trends over time, and follow your progress.