Fitbit Sense Carbon/Graphite Stainless Steel Fitness Tracker

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19,999 22,999

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Fitbit Sense is the advanced health smartwatch that helps you tune in to your body with tools for stress management, heart health, skin temperature & more.



  • EDA Scan App
    The on-wrist EDA Scan app detects electrodermal activity—which may indicate your body’s response to stress—and reveals a graph in the Fitbit app to illuminate it.
  • 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.
  • Fitbit ECG App
    With a compatible ECG app right on your wrist, assess your heart for atrial fibrillation—a heart rhythm irregularity—and share the results with your doctor. FDA review of ECG app pending; only available in U.S. upon clearance. Availability outside the U.S. pending applicable regulatory clearances. Not intended for use by people under 22 years old.
  • Free Fitbit Premium Trial
    Your Sense smartwatch unlocks a free 6-month membership for new Premium users complete with personalized insights, a deeper look at your stress and more mindfulness tools, guided programs, workouts and more.◆◆
  • High & Low Heart Rate Notifications
    Your heart rate is a key indicator of your health, so Sense keeps you informed when it’s above or below your threshold.
  • 24/7 Heart Rate Tracking with PurePulse 2.0
    With an all-new 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.◆◆◆

Day & Night

  • 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.
  • Workout Intensity Map-In App Only
    After outdoor exercise, check your workout intensity map in the Fitbit app to see your heart rate zones throughout your route and learn where you put in the most effort.
  • 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.
  • 20+ Goal-Based Exercise Mode + SmarTrack
    Choose from up to 20+ exercise modes to get real-time stats during your workouts—or let SmartTrack™ automatically recognize and record your exercises.
  • Swimproof
    Sense is water resistant to 50 meters, which means you’re free to track laps in the pool and wear it in the shower, at the beach and beyond.
  • 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.
  • Sleep Stages & Sleep Score
    See your time in light, deep and REM sleep and get a daily Sleep Score in the Fitbit app and on your wrist to better understand your sleep quality each night.
  • 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.


  • Voice Assistant
    Quickly check the weather, set bedtime reminders and alarms, control your smart home devices and more—just by speaking to Google Assistant or Alexa Built-in on your wrist.◆◆
  • Call, Text & App Notifications
    Get notifications for calls, texts, calendar events and apps like Gmail and Facebook—plus send quick replies and voice replies right from your wrist. Available when phone is nearby. Replies on Android only.
  • Music Experience
    Store and play music & podcasts on Deezer or Pandora and control Spotify from your wrist—then, use them to stay motivated with curated playlists specifically made for your favorite workouts.◆◆
  • Fitbit Pay
    Load your credit and debit cards to your Wallet in the Fitbit app, then use your watch to tap and pay for purchases on the go—at transit stations, stores and more.
  • Always-On Display Mode
    See real-time exercise stats and check the time with just a glance—even when your hands are full. Turn the mode off to be more discreet. Always-on display mode requires more frequent charging.
  • Apps On Your Wrist
    Download hundreds of apps for fitness, sports and fun—everything from Uber to United Airlines to Spotify to TRX®.
  • Clock Faces
    Choose from hundreds of clock face designs and store up to 5 of your favorites right on your wrist, then easily switch your look from classic to modern and back—or go for something totally unique with your own photo.

Design & More

  • 6+ Day Battery
    A day lasts 24 hours. So should your watch. With 6+ day battery life, Fitbit Sense tracks your morning, night & everything in between without needing to stop for a charge. Varies with use and other factors; up to 12 hours with continuous GPS.
  • Fast Charging
    If you’re always on the move, fuel up with quick charging that gives your watch a full day’s charge in just 12 minutes.
  • Biosensor Core
    Skin temperature sensing, heart rate tracking and battery charging all take place inside this powerful, water-resistant hub on the back of Sense.
  • Leading Edge Design
    A polished stainless steel ring, custom AMOLED display, laser-bonded Corning® Gorilla® Glass 3 and innovative biosensor core make every piece of Sense exceptional by design.
  • Infinity Band
    The velvety soft new infinity band is lightweight, flexible and comfortable—seamless edges and a low profile are perfect for wearing all day and night.
  • Accessories
    Create endless looks with Fitbit Sense accessory bands, including Fitbit.com exclusive collections from Victor Glemaud and Pendleton. New quick-release feature makes it easier than ever to swap looks.
  • Fitbit App
    From activity and sleep to nutrition, resting heart rate and group challenges, you can track all your progress in the free Fitbit app.


  • *FDA review of ECG app pending; only available in U.S. upon clearance. Availability outside the U.S. pending applicable regulatory clearances. Not intended for use by people under 22 years old.
  • **Varies with use and other factors; up to 12 hours with continuous GPS. Get 24 hours of charge with 12 minutes of charging.
  • ***Only available in the Fitbit app and only displays variation.
  • ◆New Premium users only. Free trial may only be activated with device activation. Valid payment method required. Free trial must be activated within 60 days of device activation. Cancel before free trial ends to avoid subscription fees. Content and features may vary by language and are subject to change.
  • ◆◆Calls, texts and notifications available when phone is nearby. Google Assistant and Bluetooth® calls coming late 2020. Voice assistant availability and features may vary, see Fitbit.com/voice. Applicable subscriptions required for offline music; Pandora is US only. Spotify and Deezer not available in all countries. Always-on display mode requires more frequent charging. Fitbit Pay™ accepted everywhere that accepts tap-to-pay purchase.
  • ◆◆◆This feature is not intended to be used for contraceptive or other medical purposes. Fitbit does not guarantee or warrant that this feature can be used to achieve particular results. This feature may not accurately predict your menstrual cycles or related information. This feature is intended only to help users monitor and keep track of certain information.
SKU: FB512BKBK Category:
Weight 1 kg


Type Activity Tracker
Wristband Yes
Wearable Yes
Heart Rate Monitor Yes
Digital Read Out Yes
Battery Type Lithium-Polymer
User Replaceable Battery No
Pedometer Yes
Calorie Counter Yes
Operating System Compatibility Apple iOS 12.2 or higher., Android OS 8.0 or higher., Certain features like smartphone notifications may require Android 8.0+., Syncing requires Bluetooth® LE and internet connection., Syncs with Mac OS X 12.2 and up, iPhone 5S and later, Android 8.0 and later.
App Compatible Yes
Water Resistant Yes
Water Resistance Depth 50m
Sensors GPS + GLONASS, Multi-path optical heart rate sensor, Multipurpose electrical sensors compatible with ECG app & EDA app, Gyroscope, Altimeter, 3-axis accelerometer, Skin temperature sensor, Ambient light sensor, NFC, Vibration motor, Speaker (75dB SPL @10cm), Microphone
Alerts & Alarms Yes
Vibration Motor Yes
Connectivity Bluetooth
Bluetooth Enabled Yes
Bluetooth Version 5.0
Rechargeable Battery Yes
Clock Display Yes
Color Display Yes
Backlit Display Yes
Maximum Wireless Range 30 ft.
Memory Retention Saves 7 days of detailed motion data, minute by minute, Saves daily totals for the last 30 days, Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times
Estimated Battery Life (hours) Up to 6 Days
Charge Time (hours) 1
Operating Temperature 14° to 113°F
Operating Altitude 28,000 ft
Time/Date Yes
Stopwatch Yes
Calendar Yes
In the Box Fitbit Sense, Classic wristband (both small & large), Charging cable

Approximate Dimensions

Height (in) 0.49
Width (in) 1.59

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