Heart rate tracking
The heart of it all—heart rate powers important data like calorie burn, sleep stages, resting heart rate & more.
Active Zone Minutes
Tracks your time in heart rate zones so you get credit when you work harder. Workouts in cardio or peak zones earn double minutes
Built-in GPS
See pace & distance on your wrist—no phone needed.
Cardio Fitness Score
Estimate your fitness level using your VO2 Max (how well your body uses oxygen during exercise).
Daily Readiness Score
Find out if your body’s ready to work out or needs time to recover.
Automatic exercise tracking
Auto-detects when you’re exercising and records your stats in the app.
Menstrual health tracking
Log periods, record symptoms, find patterns in your cycle & estimate your ovulation window.
Not intended to be used for contraceptive or other medical purposes. May not accurately predict your menstrual cycles or related information. Intended only to help you monitor and keep track of certain information.
Water resistant
Water resistant to 50m for the pool, shower & more.
SpO2 (blood oxygen) tracking
Resting heart rate
High & low heart rate notifications
Heart rate variability
Skin temperature variation
Breathing rate
Wellness report
Menstrual health tracking
SLEEP & STRESS
Sleep tracking & sleep stages
Sleep Profile
Sleep Score
Smart Wake alarm
Stress Management Score
Mindfulness sessions
Relax breathing sessions
Reflections
SMARTS & MORE
On-wrist Bluetooth® calls
Call, text and app notifications
Alexa Built-in
Google Maps
Google Wallet
Fitbit Pay
Find My Phone
Always-on display mode
Do not disturb & sleep mode
Fast charging
6+ day battery
Thin, lightweight design
Color touchscreen
Clock faces & accessories
Compatible with iOS and Android devices
