Fitbit Charge 4 Advanced Fitness Tracker with GPS, Swim Tracking & Up To 7 Day Battery, Rosewood
Battery Life: Up to 7 days
Compatibility: Compatible with iOS 12.2 or higher & Android OS 7.0 or higher
Built-in GPS: With built-in GPS
Active Zone Minutes: This feature alerts you to which heart rate zone you’re in so you can see if you’re working hard enough to reach your goals
Sleep Stages & Score: Charge 4 tracks your time in light deep and REM sleep stages and gives you a nightly Sleep Score in the Fitbit app so you can better understand your sleep quality and work toward better rest
Notifications & Apps: Stay connected with call calendar and smartphone app alerts text notifications and convenient apps like weather and timer Plus send quick replies to messages (Android only) Available when phone is nearby
24/7 Heart Rate: Use 24/7 heart rate to better track calorie burn optimise workouts and uncover personalised health trends that inspire you to make moves on your health and fitness goals
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