Fitbit Charge 4 Fitness Tracker
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.
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. 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.
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.
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.
SpecificationsSize - 35.8mm x 22.7mm w 12.5mm
Model - Fitbit Charge 4
What's in the box - "Fitbit Charge 4
Classic wristband (both small & large)
Battery life - Up to 7 days (dependant on use)
Battery type - Lithium-polymer
Touch screen? - Yes
Sensors - 3-axis accelerometer
Memory - "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"
Location services - GPS
Water resistant? - Up to 50 meters
Operating temperature range - Operating temperature: -20° to 60° C
Syncing range - Up to 9m