Fitbit Charge 4 Advanced Fitness Tracker with GPS, Swim Tracking & Up To 7 Day Battery

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Battery life: Up to 7 days
Integrated GPS: When you are drawn outdoors to train, your tracker shows you the pace and route even without a connected smartphone thanks to the integrated GPS. In the Fitbit app, you can view your route and heart rate zones on the training intensity map
Activity zone minutes: This feature shows you your current heart rate zone so you know if you’re effectively training towards your goals
Sleep phase recording & sleep index: Batch 4 records the duration in light sleep, deep sleep and REM sleep phases. Together with the personal sleep index in the Fitbit app, you can better understand the quality of your sleep and develop a healthier sleep pattern
Notifications & Apps: With calls, messages, appointments and smartphone notifications as well as handy weather and timer apps, you’re always up to date. With a connected Android smartphone, you can reply to messages directly from your wrist with Quick Replies. Your smartphone must be nearby
Continuous heart rate monitoring: Continuous heart rate monitoring allows you to more accurately track your calories burned and helps you optimize your workouts so you can better work towards your health and fitness goals
TEST FREE OF CHARGE FOR 90 DAYS: Fitbit Coach: Start your free trial and get personalized training programs. So that you stay fit and healthy even now

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