FitBit FitBit Charge 4 Fitness tracker Blue

Get more out of every minute with the Fitbit Charge 4, a slim health and fitness tracker with a comfortable wristband, built-in GPS and personalized heart rate features. Continuous heart rate measurement Use continuous heart rate monitoring to measure your calorie consumption, optimize your workouts, and uncover health trends. Resting heart rate Your resting heart rate will be determined over time so you can better assess your fitness. Heart rate zones With real-time statistics on the screen, you can see during your workouts, whether you're working in the fat burning, cardio or peak performance zone, and adjust the intensity. Training intensity card A map in the Fitbit app shows you when and how long you've been training in which heart rate zone after outdoor workouts. Active zone minutes This feature shows you your current heart rate zone so you know if you are effectively training toward your goals. Goal-based training modes Choose from more than 20 training modes, set a goal, and get real-time statistic...