Fitbit Sense

ADVANCED HEALTH WATCH

The advanced health watch that helps you tune in to your body with tools for heart health, stress management, skin temperature & more.

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Price inclusive of all taxes

  • 1 year limited warranty
Stress Management Score

Better understand how your body is handling stress with a daily score.

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.The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old. See here for additional details.

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.***

Oxygen Saturation (SpO2) Monitoring

Track SpO2—the level of oxygen in your blood—to help you learn when there may be an indication of important changes in your well-being. See it at a glance on your wrist with an SpO2 clock face or swipe to your Today dashboard for average levels & trends over the past week. Head to the app to find those weekly levels in your Health Metrics dashboard, or discover more with Premium: trends from the past month alongside your personal ranges to help you interpret the data.***

6-Month Fitbit Premium Membership

Go Premium and get personalized insights that help you achieve real results. Know your body better with daily Sleep Score and Stress Management Score breakdowns, and see long-term trends in the Health Metrics dashboard. Then use those insights and Premium tools to enhance your well-being.†

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.

Breathing Rate

Automatically measure your breathing rate while you sleep to help you understand your wellness and learn if there are signs of significant changes. View your nightly average and trends over the past week in the Health Metrics dashboard.‡

Heart Rate Variability

Track heart rate variability (HRV)—the variation of time between each heartbeat— to see if your body is showing potential signs of stress, illness or fatigue. View your nightly average and trends over the past week in the Health Metrics dashboard.‡

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.

Snore & Noise Detect

Find out if you’re snoring, or if there’s ambient noise in your bedroom—both of which can impact your sleep quality.§§

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.◆◆◆

Daily Readiness Score

Do what’s best for your body with a Daily Readiness Score that shows whether you’re ready to work out or should prioritize recovery. Coming Soon

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.

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.

20 Goal-Based Exercise Modes + SmartTrack

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, wear it 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.

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.◆◆

Calls From Your Wrist

Use the built-in mic and speaker to take Bluetooth® calls hands-free, send callers to voicemail and adjust volume. Available when phone is nearby.◆◆

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 and control Spotify from your wrist—then, use them to stay motivated with curated playlists specifically made for your favorite workouts.◆◆

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®.

Find My Phone App

Can’t find your phone? Easily locate a misplaced phone right from your wrist by using the built-in Find My Phone app on your Fitbit watch. Just tap to activate an alert and your phone will continuously ring and vibrate until you discover its location. Fitbit Mobile app must be running on your smartphone.

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.

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.

*The Fitbit ECG app is only available in select countries, not intended for use by people under 22 years old. See here for additional details.

**Varies with use and other factors; up to 12 hours with continuous GPS. Get 24 hours of charge with 12 minutes of charging.

***Skin temperature variation and SpO2 are not available in all markets. Skin temperature is only available in the Fitbit app and only displays variation. Significant changes in ambient temperature may negatively impact skin temperature tracking. The SpO2 feature is not intended to diagnose or treat any medical condition or for any other medical purpose. It is intended to help you manage your well-being and keep track of your information. The SpO2 feature requires more frequent charging.

New and returning Premium users only. Valid payment method required. Free trial must be activated within 60 days of device activation. Cancel before free trial ends to avoid subscription fees. See full terms & conditions here.

††Requires a Premium subscription. Only available in English, Spanish, Portuguese, French, German, Japanese and Korean.

COMING SOON. Daily Readiness Score requires a Fitbit Premium membership. Premium content recommendations are not available in all locales and may be in English only.

♦♦Calls, texts and notifications available when phone is nearby. Voice assistant availability and features may vary, see here. Applicable subscriptions required for offline music. Spotify and Deezer not available in all countries. Always-on display mode and on-wrist calls require more frequent charging.

♦♦♦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.

The Health Metrics dashboard and the metrics displayed in the dashboard are not available in all countries. This feature should not be relied on for any medical purposes. It is intended to provide information that can help you manage your well-being. The SpO2 feature requires more frequent charging.

§Statistics as of Q4 2020. Relevant study: https://pubmed.ncbi.nlm.nih.gov/33149712/

§§Only available for Fitbit Premium members. This feature is not intended to diagnose or treat any medical condition and should not be relied on for any medical purposes. It is intended to provide information that can help you manage your well-being. We only use the microphone to register noise levels and snores; we do not store any of your audio data.

Print this guide to find the right size for you. Both small and large sizes included in box.

Small

Fits wrist 140 mm - 180 mm in circumference

Large

Fits wrist 180 mm - 220 mm in circumference

Dimensions

40.48 x 40.48 x 12.35 mm

What's Included in Sense

  • Fitbit Sense watch
  • Classic wristband (both small & large)
  • Charging cable

Sensors & Components

  • Multi-path optical heart rate sensor
  • Multipurpose electrical sensors compatible with ECG app & EDA app
  • Red and infrared sensors for oxygen saturation (SpO2) monitoring
  • Gyroscope
  • Altimeter
  • 3-axis accelerometer
  • Skin temperature sensor
  • Ambient light sensor
  • Wi-Fi (802.11b/g/n 2.4GHz)
  • NFC
  • Built-in GPS + GLONASS
  • Vibration motor
  • Speaker (75dB SPL @10cm)
  • Microphone

Battery & Power

  • Battery life up to 6+ days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. Use of the always-on display and SpO2 features will require more frequent charging. We recommend charging every few days to ensure you’re always tracking.
  • Battery type: Lithium-polymer
  • Charge time: (10-80%): Approximately 40 minutes
  • Fast charging: 1 day of battery life in 12 minutes
  • Radio transceiver: Bluetooth® 5.0

Memory

  • 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

Water Resistance

Water resistant to 50 metres. After getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry.Learn more.

Care

Give your wrist a rest by taking the band off every now and then. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Learn more.

Materials

This watch includes a band made of a flexible material similar to that used in many sports watches, as well as an aluminium watch case and buckle.

Heart Rate

Like all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements.

Environmental Requirements

  • Operating temperature: -10° to 45° C
  • Maximum operating altitude: 8,535 m

Syncing

The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:

  • Apple iOS 12.2 or higher.
  • Android OS 8.0 or higher. See additional tips for Android phones and tablets here.
  • Syncing range: Up to 9m
  • Certain features like smartphone notifications may require Android 8.0+. Check your device compatibility.
  • 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.
  • Music control via Bluetooth Classic on Android and Bluetooth LE on iOS devices.

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For product support and warranty enquiries, please visit http://contact.fitbit.com