Fitbit Charge 4

• Battery Life: Up to 7 days
• Compatibility: Compatible with iOS 13 or higher & Android OS 8.0 or higher
• Built-in GPS: With built-in GPS, leave your phone behind and explore the outdoors with pace and distance on your tracker and see a workout intensity map showing your route and effort in the app when you’re done
• Active Zone Minutes: This feature alerts you to which heart rate zone you’re in so you can see if you’re working hard enough to reach your goals
• 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 better understand your sleep quality and work toward better rest
• Notifications & Apps: Stay connected with call, calendar and smartphone app alerts, text notifications and convenient apps like weather and timer. Plus, send quick replies to messages (Android only). Available when phone is nearby
• 24/7 Heart Rate: Use 24/7 heart rate to better track calorie burn, optimise workouts and uncover personalised health trends that inspire you to make moves on your health and fitness goals

With Fitbit Charge 4, there's no limit to how far you can go. This sleek, swimproof tracker is packed with features that help you know your workouts and your body better. You get more convenience on the go and more inspiration to reach your fitness goals.

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.

Goal-Based Exercises
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.

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.

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.