Sense 2
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Sense 2
Tech Specs

Specifications are maintained on Pack4Back GearDB (community edits and revision history). Values may differ from the manufacturer or your unit—verify before buying.

BrandFitbit
Best UseFitness
Average Battery Life144 hours
Battery TypeLithium Ion
Display Size1.6 x 1.6 inches
IlluminationLuminous Face
AltimeterSatellite-based
CompassYes
GPS/Satellite DetectableYes
HRM Included/IntegratedYes
Heart Rate Sensor TypeWrist-based
Average Heart RateYes
Pulse OximeterYes
Heart Rate Target Zone(s)Yes
VO2 Max EstimateYes
Recovery AdvisingYes
Tracks StepsYes
Pedometer TypeDigital 3-axis Accelerometer
Interval TrainingYes
Tracks Calories BurnedYes
Water-Resistant Depth50 meters
Pool Lap RecognitionYes
Sleep TrackingYes
AlarmYes
Time DisplayYes
StopwatchYes
CustomizationApps
Smart Device NotificationsYes
Compatible Fitness AccessoriesHeart Rate Monitor
GenderUnisex
Description

Stress less and enjoy your time outside more. With the Fitbit Sense 2, you can monitor and gain a deeper understanding of your sleep, stress and activity levels.

Features
  • Identify stress and manage it with all-day stress detection (using a continuous EDA sensor)
  • See how prepared your body is to handle stress with your daily Stress Management Score
  • See how you slept last night—and what contributed to that sleep—with your Sleep Score.
  • Get a deeper understanding of your sleep and how to improve it with your personalized Sleep Profile (requires a Fitbit Premium membership)
  • Assess your heart rhythm for atrial fibrillation with the compatible ECG app and easily share results with your doctor (not intended for use by people under 22 years old)
  • Health Metrics dashboard displays SpO2, heart rate variability and more (not intended to diagnose or treat any medical condition or for any other medical purpose)
  • Perform an EDA Scan to see how your body responds during a mindfulness session and log reflections during stressful moments to see how your emotions trend over time
  • Check for signs of an irregular heart rhythm that may be atrial fibrillation (not intended for use by people under 22 years old or with known atrial fibrillation)
  • Get notified if your heart rate is outside your set baseline with high and low heart rate notifications
  • Track calories burned, optimize workouts and see your resting heart rate with 24/7 heart rate tracking
  • See your real-time pace and distance without your phone using the built-in GPS during outdoor activity
  • Know whether you should prioritize rest or exercise each day with Daily Readiness Score (requires a Fitbit Premium membership)
  • Make every minute count during workouts with Active Zone Minutes' target heart rate zone notifications
  • Enjoy smart features like on-wrist texts and Bluetooth® calls, phone notifications, Fitbit Pay and Amazon Alexa™ (phone must be nearby for certain smart features)
  • Includes a 6-month Premium membership for new Premium users only (must activate with device and a valid payment method is required)
  • Use of the Fitbit app requires a compatible iPhone® or Android™ devices and a Google account