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.
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.
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 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.
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 any time, 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.
Fitbit Charge 4
Classic wristband (both small & large)
WHAT'S INCLUDED IN SPECIAL EDITION:
Fitbit Charge 4
Woven reflective band (both small & large)
Classic wristband (both small & large)
SENSORS & COMPONENTS
Optical heart rate monitor
NFC chip for Fitbit Pay
BATTERY & POWER
Battery life up to 7 days, or up to 5 hours with continuous GPS use. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. We recommend charging every few days to ensure you’re always tracking.
Battery type: Lithium-polymer
Charge time (0-100%): Two hours
Radio transceiver: Bluetooth 4.0
Saves 7 days of detailed motion and heart rate data, minute by minute
Saves daily totals for the last 30 days
Measures heart rate data at 1-second intervals during exercise tracking and at 5-second intervals all other times
Water-resistant to 50 metres. After swimming or getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry. We do not recommend wearing Fitbit Charge 4 in a hot tub or sauna. Learn more.
Give your wrist a rest by taking the band off every now and then. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Learn more.
This tracker includes a plastic resin case and the band includes a stainless steel buckle. The classic band is made of a flexible, durable material similar to that used in many sports watches. The woven band is made from a comfortable polyester.
Like all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements.
Operating temperature: -20° to 60° C
Maximum operating altitude: 8,535 m
Syncs automatically and wirelessly to most popular phones and tablets using Bluetooth LE wireless technology.
Syncing range: Up to 9m
Certain features like smartphone notifications may require Android 7.0+. Check your device compatibility.
Syncing to mobile devices requires Bluetooth LE and internet connection.
Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later.
Music control via Bluetooth LE on Android and iOS devices.
35.8mm l x 22.7mm w x 12.5mm h