Use 24/7 heart rate to better track calorie burn, optimise workouts and uncover health trends.
Resting Heart Rate
Record your resting heart rate, track heart rate trends over time and follow your health & fitness progress.
Heart Rate Zones
During workouts, get real-time stats on screen to see whether you’re in Fat Burn, Cardio or Peak zone, so you can dial the effort up or down according to your goals.
Workout Intensity Map
Get a better understanding of your effort during outdoor workouts with a map in the Fitbit app which shows when and how long you were in each heart rate zone.
Active Zone Minutes
See which heart rate zone you’re in to gauge if you’re working hard enough to reach your goals.
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.
During outdoor runs, rides, 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.
Designed to be water-resistant to 50M, Fitbit Charge 4 automatically tracks swim workouts and can be worn in the shower, pool and beyond.
Amp up your workout when you control music, like songs and browse 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
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 quickly 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.
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.
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.
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 your classic band for accessories in leather, woven, sport styles and more. Accessories sold separately.
Fitbit Charge 4 makes it easier to see your stats in sunlight, at night or anytime, thanks to a large touchscreen and backlit display that adjusts to different lighting conditions.
Charge 4 automatically syncs to most popular iOS and Android devices to show your stats, trends and progress on your Fitbit dashboard.
Set goals, track progress and get a more complete picture of your health & fitness—from nutrition and hydration to exercise and sleep—all on your dashboard in the Fitbit app.
*Spotify Premium subscription required. App not available in all countries.