Fitbit Charge 4 Wristband activity tracker Black 3.96 cm (1.56″)
Make every minute count and reach your goals with a deeper understanding of your body and activity.
Picture the path to your goals
With Charge 4, chart a clear path in the right direction for your health and fitness.
Go further than ever
During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance, then see a map of your workout in the Fitbit app.
24/7 Heart Rate
Use 24/7 heart rate to better track calorie burn, optimise workouts and know how hard you’re working as you make moves on your fitness goals.
Active Zone Minutes
Feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise.
Make every minute count
Workout Intensity Map
After outdoor exercise, check your Fitbit app to see your heart rate zones throughout your route and better track your progress.
Heart Rate Zones
Use your personalised fat burn, cardio and peak heart rate zones to optimise your effort during workouts.
Resting Heart Rate
Wear Fitbit Charge 4 all day and night to record and reveal your resting heart rate, track heart rate trends over time, and follow your progress.
Sleep better to live better
Build better bedtime habits by checking your personalised Sleep Score with the Fitbit app, sleep tracking with sleep stages and more.
Motivation with no limits
Goal-Based Exercise Modes
Choose from your favourite workouts and set a goal and see real-time progress of your effort.
All-Day Activity Tracking
Track steps, distance, floors climbed, calories burned and more to see how every part of your day affects your goals.
Reminders to Move
Stay on track with fun, on-screen reminders that encourage you to move throughout the day.
Automatic Exercise Recognition
Exercises like runs, swims, elliptical, sports and more are automatically recorded for you with SmartTrack.
Water-resistant to 50m, Charge 4 automatically tracks swims and can be worn in the shower, pool and beyond.
Guided Breathing Sessions
Take a moment for mindfulness by following an on-screen guided breathing session based on your heart rate.
Your favourite smart features, right on your wrist
This advanced fitness tracker is packed with features that let you control your favourite playlists, manage your day and more.
Notifications & Quick Replies
Get call, calendar, text and smartphone app alerts. Plus, send quick replies to messages on Android.
Amp up your workout by controlling music, liking songs and browsing your playlists & podcasts from Charge 4.
Smart Everyday Experiences
Stay on track with helpful apps to get the weather forecast, set a timer, run a stopwatch and check your calendar.
Wear it around the clock
Long Battery Life
With a battery life of up to 7 days—and up to 5 hours when using GPS—Charge 4 lets you do more with less charging.*
Make secure purchases when you tap to pay from Charge 4 at millions of shops—no phone or wallet necessary.**
Personalised Clock Face
Give your watch the perfect look with unique designs downloadable from the Fitbit app.
|Minimum strap length||14 cm|
|Maximum strap length||22 cm|
|Device type||Wristband activity tracker|
|Band colour||Black, Gray, White|
|Waterproof up to||50 m|
|Display diagonal||3.96 cm (1.56″)|
|Quality of sleep||Yes|
|Heart rate monitor||Yes|
|Easy to use||Yes|
|Heart rate sensor type||Optical|
|Ports & interfaces|
|Near Field Communication (NFC)||Yes|
|Battery life||7 day(s)|
|Battery technology||Lithium Polymer (LiPo)|
|Charging time||2 h|
|Battery life (GPS mode)||5 h|
|Weight & dimensions|
|Mobile operating systems supported||Android,iOS|
|Operating altitude||0 – 8535 m|
|Number of bands included||2|