The Charge HR is the #1 selling fitness tracker and wearable in the United States! It continuously tracks your heart rate and activity to help you maximize your effort and make every beat count. Check out its terrific set of features and its top-notch technical specifications.
Most women wear the small size. If your wrist circumference is more than 6.2", we suggest the large size.
Most men wear the large size. If your wrist circumference is less than 6.2", we suggest the small size.
- PurePulse™ Heart Rate | Get continuous, automatic, wrist-based heart rate & simplified heart rate zones
- Exercise Tracking | Get real-time run stats & review routes, splits and workout summaries on the app
- Caller ID + Watch | See daily stats & time of day, and get call notifications with compatible devices
- Long Battery Life | Lasts longer than competing trackers with a battery life up to 5 days (depends on use, settings, and other factors; actual results will vary)
- SmartTrack™ | Automatically recognizes select activities and records it in the exercise section of the Fitbit app
- Wireless Syncing | Sync stats wirelessly & automatically to leading smartphones and computers
- Workouts + All-Day Activity | Track workouts, heart rate, distance, calories burned, floors climbed, active minutes & steps
- Auto Sleep Tracking & Silent Alarms | Monitor your sleep automatically & set a silent alarm
- Small fits wrists 5.4" - 6.2" in circumference
- Large fits wrists 6.2" - 7.6" in circumference