Large OLED screen with tap display
Interchangeable accessory bands
PurePulse Heart Rate
A better you starts with heart.
Track heart rate continuously on your wrist to maximize workouts, better track calorie burn and get a clearer picture of your health - all without an uncomfortable chest strap.
SEE THE BENEFITS
Conquer your day.
Shed light on your night.
Auto Sleep Tracking & Alarms
Automatically track your sleep duration and consistency. Then wake up peacefully with a silent alarm.
All-Day Activity Tracking
Track your steps, distance, calories burned, active minutes, hourly activity and stationary time.
Silent Alarm
Wake up peacefully with a silent vibrating alarm, and create a sleep schedule in the app to stay on track toward your goals.
Reminders to Move
To help you stay active throughout the day, Charge 2 sends Reminders to Move that encourage you to take 250 steps every hour.
Push your fitness further.
Multi-Sport Modes
Track specific exercises like running, weights or yoga to see your workout stats on display.
Smart Track
Auto Exercise RecognitionAlta HR auto-detects workouts like running, elliptical, biking and more, and logs them to your dashboard.
Learn more.
Connected GPS
Connect to your phone’s GPS to see real-time run stats like pace and distance on your wrist, and a map of your route post-workout.
Cardio Fitness Level
Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score.
Guided Breathing Sessions.
Find moments of calm throughout your day with personalized breathing sessions based on your heart rate.
Smarter all over.
Customizable Clock Faces
Choose your clock display based on the stats you want to see and the design that suits your taste.
Call, Text & Calendar Alerts
See call, text & calendar alerts on your wrist to keep your phone out of sight and your goals in focus.
Style it your way.
From workouts to nights out, transform your Charge 2 with Classic accessories,
Luxe leather bands or Special Edition trackers.
Sizing.
Fits wrists 5.5” - 6.7” in circumference
Fits wrists 6.7” - 8.1” in circumference
Print this guide to find the right size for you, and size up if you’re in between sizes.
Technical specifications.
WHAT’S INCLUDED
- Fitbit Charge 2 tracker
- Charge 2 Classic wristband
- Charging cable
SENSORS & COMPONENTS
- Optical heart rate tracker
- 3-axis accelerometer
- Altimeter
- Vibration motor
DISPLAY
- OLED
HEART RATE
Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements. Learn more about wear during workouts.
BATTERY AND POWER
We recommend charging your device every few days to ensure that you're always tracking.
Battery life up to 5 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.
- Battery type: Lithium-polymer
- Charge time: One to 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 2 is sweat, rain and splash proof. However, the device is not swim proof or shower proof. With any wearable device, it’s best for your skin if the band stays dry and clean.
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. Learn more.
MATERIAL
Fitbit Charge 2's wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. Fitbit Charge 2 also has a surgical-grade stainless steel buckle.
ENVIRONMENTAL REQUIREMENTS
- Operating temperature: 14° to 113° F
- Maximum operating altitude: 30,000 feet
SYNCING & NOTIFICATIONS
Using Bluetooth LE wireless technology, Fitbit Charge 2 sends smartphone notifications and syncs automatically to computers and 200+ leading iOS, Android and Windows devices. Certain features like smartphone notifications or Connected GPS may require Android 5.0+. Look up your device to check compatibility.
- Syncing range: Up to 30 feet
- Syncing requires Bluetooth LE and Internet connection.
- Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.3 and later, and Windows 10 devices.