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FEATURES 24/7 HEART RATE Use 24/7 heart rate to better track calorie burn and optimise workouts by seeing what heart-rate zone you're in during exercise. RESTING HEART RATE Record your resting heart rate, track heart rate trends over time and follow your health & fitness progress. HEART RATE ZONES Use your personalised fat burn, cardio and peak heart rate zones to optimise your effort during workouts. WORKOUT INTENSITY MAP After outdoor exercise, check your Fitbit app to see your heart rate zones throughout your route and learn where you put in the most effort. ACTIVE ZONE MINUTES Get notified when you're in your personalised heart rate zones during exercise, and celebrate when you earn extra minutes. GOAL-BASED EXERCISE MODES Go into exercise mode during your favourite workouts to set a goal for each workout and see real-time progress of your effort on screen. BUILT-IN GPS During outdoor runs, cycles, hikes and more, use built-in GPS to see your pace and distance on Charge 4, then see a map of your workout in the Fitbit app. WATER-RESISTANT Designed to be water-resistant to 50m, Fitbit Charge 4 automatically tracks swim workouts and can be worn in the shower, pool and beyond. SPOTIFY CONTROL Amp up your workout when you control music, like songs and browse recent playlists and podcasts from Charge 4.⧫ GUIDED BREATHING SESSIONS Take a moment for mindfulness by following an on-screen guided breathing session that’s based on your heart rate. NOTIFICATIONS & APPS Stay connected with call, calendar and smartphone app alerts, text notifications and helpful apps like weather and timer. Plus, send quick replies to messages on Android only. SLEEP STAGES & SCORE Track time in light, deep and REM sleep stages and get a nightly Sleep Score on your wrist to understand your sleep quality and work toward better rest. LONG BATTERY LIFE With a battery life of up to 7 days—and up to 5 hours when using GPS—Fitbit Charge 4 lets you do more with less charging. Varies with use and other factors. FITBIT PAY Load your credit and debit cards to your Wallet in the Fitbit app, then use Charge 4 to tap and pay for purchases on the go—at transit stations, your favourite stores and more. Not available with all transit systems and banks. See availability. ALL-DAY ACTIVITY TRACKING Charge 4 tracks all-day activity like steps, distance, floors climbed, Active Zone Minutes and calories burned to show how every part of your day gets you closer to your goals. FEMALE HEALTH Know your body better by using your tracker with the Fitbit app to follow your cycle, record symptoms and more. REMINDERS TO MOVE Keep yourself on track toward your goals with fun, on-screen reminders that encourage you to move throughout the day. DAILY DASHBOARD See all your activity stats in one place with a daily dashboard that shows your steps, calories burned, sleep, heart rate and more. CLOCK FACES & ACCESSORIES Personalise your Charge 4 by choosing your own clock face and switching out