About This Item Optimize your workout routine with a Daily Readiness Score that reveals if you’re ready to exercise or should focus on recovery (Requires Fitbit Premium membership).Band Size : Small: Fits wrist 5.1″ – 6.7″ in circumference. Large: Fits wrist 6.7″ – 8.3″ in circumference Get a daily Stress Management Score showing your body’s response to stress and take steps to improve your levels with an on-wrist EDA sensor mindfulness session With the Health Metrics dashboard, track SpO2, heart rate variability, skin temperature variation and more (Not intended to diagnose or treat any medical condition and should not be relied on for any medical purposes. It is intended to provide information that can help you manage your well-being) See your real-time pace & distance without your phone using built-in GPS during outdoor activity, then see a map of your workout route in the Fitbit app Includes a 6-month Premium membership complete with personalized insights, advanced analytics, guided programs and more (New & returning Premium users only. Valid payment method required. Content and features may change) Your stats come to life on a new color touchscreen that’s two times brighter than Charge 4 in daylight, all with up to 7-day battery (varies with use and other factors) Track calorie burn and optimize workouts with 24/7 heart rate tracking and Active Zone Minutes, which guide you toward your desired intensity level Get a better understanding of your sleep quality with a daily Sleep Score and graphs of your time in light, deep and REM sleep—then see how you can improve your sleep and wake up feeling energized Use the 20 exercise modes to set personal goals for runs, rides, strength training and more, then get real-time stats to help you keep the pace or maintain your target heart rate zone
