Fitbit Charge 4 shop Black Advanced Fitness Tracker + GPS

Product Name: Fitbit Charge 4 shop Black Advanced Fitness Tracker + GPS
AUTHENTIC shop Fitbit Charge 4 Black Advanced Fitness Tracker. Built-in GPS Fitbit Pay Up to 7 Days Battery Life Built-In GPS Navigation & Tracking 24/7 Heart Rate Tracking 20+ Goal-Based Exercise Modes/Tracking Swimproof up to 164" 4 Health Fitness Tracker Charge Working handinhand with your fitness tracking is the builtin 247 heart rate monitor which can track calorie burn and let you know when youre in personalized heart rate zones Based on your age and resting heart rate it can tell you when youre in the fat burning cardio or peak heart rate zones Even when youre asleep the Fitbit Charge 4 is working It can track your time in light deep and REM stages to provide you with a nightly sleep score Outside of optimizing health and fitness the Charge 4 has practical advantages throughout the day such as delivering smartphone alerts and notifications playing music via Spotify or paying for items with Fitbit Pay Features. Up to 7 Days Battery Life. BuiltIn GPS Navigation Tracking and more….