Understand your health and take action to improve with Fitbit Charge 3—an advanced fitness tracker that uses 24/7 heart rate & personalized insights to reveal what's below the surface.
- Smart, Sharp Touchscreen: With a large, touchscreen and backlit display that automatically adjusts to lighting conditions, it’s easier to see stats, notifications or the time in sunlight or at night.
- Up to 7 Day Battery Life: With a multi-day battery life of up to 7 days, Fitbit Charge 3 keeps the insights and inspiration coming day and night.
- Smartphone Notifications: Stay connected with call and calendar alerts, text notifications and quick replies, plus notifications from smartphone apps. Available when your phone is nearby, quick replies coming soon to Android only.
- 24/7 Heart Rate: Use 24/7 heart rate to better track calorie burn, optimize workouts and uncover trends that give you guidance to act on your health and fitness goals.
- Heart Rate Zones: Use real-time heart rate zones to see whether you’re in the Fat Burn, Cardio or Peak zone and use what you learn to know the impact of your workouts.
- All-Day Activity Tracking: Charge 3 tracks activity like steps, distance, floors climbed, active minutes and calories burned to show how every part of your day impacts your goals.
- 15+ Goal-Based Exercise Modes: Choose from 15+ exercise modes like run, bike, swim, yoga, circuit training and more, set a goal and get real-time stats during your workouts to keep getting better.
- Female Health Tracking: Know your body on a whole new level by using Charge 3 with the Fitbit app to track periods, record symptoms, see a predicted ovulation calendar and more.
• Small: Fits wrists 140 mm - 180 mm in circumference
• Large: Fits wrists 180 mm - 221 mm in circumference
• Wristband Width: 22.60 mm
• Fitbit Charge 3
• Classic wristbands (both small & large)
• Charging cable
|Sensors & Components||- Optical heart rate tracker
- 3-axis accelerometer
- Vibration motor
- Relative SpO2 sensor
- Grayscale OLED
|Heart Rate||Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements.|
|Battery and Power||Fitbit Charge 3 has a battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. We recommend charging your tracker every few days to ensure you are always tracking.
- Battery type: Lithium-polymer
- Charge time (0-100%): Two hours
- Radio transceiver: Bluetooth 4.0
|Memory||- Saves 7 days of detailed motion data – minute by minute
- Saves daily totals for past 30 days
- Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times
|Water Resistance||Fitbit Charge 3 is water resistant to 50 meters. 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 Charge 3 in a hot tub or sauna.|
|Care||If the band gets wet or if you sweat in it, remove and completely dry the band before putting it back on. Give your wrist a rest by taking the band off every now and then.|
|Syncing||Fitbit Charge 3 syncs automatically and wirelessly to computers and 200+ leading iOS, Android & Windows devices using Bluetooth LE wireless technology.|