Reflection
Easily log your mood, from very stressed to very calm, on Sense after an EDA Scan session or in the Fitbit app to help you reflect on what makes you feel your best.

On-wrist skin temperature sensor
Sense tracks your skin temperature each night to show how it varies from your personal baseline, so you can be aware of your trends over time.

High/low heart rate notifications
Heart rate is a key indicator of health. Stay informed when Sense detects that yours is above or below your threshold.

24/7 heart rate tracking with PurePulse 2.0
With a multipath sensor, Sense delivers PurePulse 2.0 - Fitbit's 24/7 continuous heart rate tracking for exercise, sleep tracking and everything in between.

Heart rate zones
During workouts, get real-time stats on screen to see whether you're in fat burn, cardio or peak zone, so you can dial the effort up or down according to your goals.

Menstrual health tracking
Know your body better by using Sense and the Fitbit app to log periods, record symptoms, track your ovulation and discover patterns in your cycle.

Built-in GPS
During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Sense, then see a map of your workout in the Fitbit app.

Active Zone Minutes
Active Zone Minutes help you make every minute count during workouts by buzzing your wrist when you enter your personalized target heart rate zone.

All-day activity tracking
Track all-day activity like steps, distance, floors climbed, active minutes and calories burned to show how every part of your day gets you closer to your goals.

Smart Wake
Set your Fitbit alarm to wake you with a quiet vibration during a lighter sleep stage to help you feel more refreshed.

Sleep mode
Snooze uninterrupted by using sleep mode to mute smartphone notifications and stop your screen from turning on at night. Set a schedule to turn sleep mode on automatically.

Do not disturb mode
Use do not disturb mode when you want to mute call, text, calendar and app notifications during the day.