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- FitBit Sense Activity Tracker | Grey Silver
FitBit Sense Activity Tracker | Grey Silver
Meet FitBit Sense — the advanced health smartwatch that helps you tune in to your body and guides you toward better health. Monitor your heart health, manage stress, track Sp02, use skin temperature to track potential signs of illness and more
FitBit Sense
Fitbit Sense — the advanced smartwatch focused on health that helps you tune in to your body and guides you toward a better well-being. Assess your heart rate for AFib right from your wrist, detect and manage stress, get low and high heart rate alerts, better understand your sleep quality and even keep an eye on patterns in your skin temperature or well-being with SpO2. Of course you will have all the fitness features you love including built-in GPS and a long battery life with 6+ days.
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Voice Assistant
Use Google Assistant or Amazon Alexa Built-in to get quick news and weather, set bedtime reminders and alarms, control your smart home devices and more—just by speaking to your watch
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Calls from Your Wrist
Use the built-in mic and speaker to take Bluetooth® calls hands-free, send callers to voicemail and adjust volume
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6+ Days Battery Life
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
![](/web/image/34740-247e39d9/goal-based-exercises.jpg)
Goal Based Exercises
Choose from 20 exercise modes to get real-time stats during your workouts—or let SmartTrack automatically recognise and record your exercises.
![](/web/image/34741-c70c5f81/clockfaces.jpg)
Customised Clock Faces
Choose from hundreds of clock face designs and store up to 5 favourites right on your wrist, then easily switch your look from classic to modern and back—or go totally unique with your own photo.
![](/web/image/34743-c97c9f3f/female-health.jpg)
Menstrual Health Tracking
Know your body better by using your watch and the Fitbit app to log periods, record symptoms, track your ovulation and discover patterns in your cycle.
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Fitbit Pay
Upload your credit and debit cards to your watch to tap and pay for purchases and ride transit without your wallet
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Essential Apps
Download hundreds of apps for fitness, finance, sports and fun—everything from Strava to Spotify to TRX®.
![](/web/image/34742-18a1ccc8/fitbit-app.jpg)
Fitbit App
Fitbit Sense automatically syncs to computers and most popular phones and tablets to show your stats, trends and all your progress in the Fitbit app.
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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.
HEALTH
EDA SCAN APP
Without the map included:
The on-wrist EDA Scan app for Sense detects electrodermal activity, which may indicate your body’s response to stress so you can better track and manage it.
With the map included:
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 yours.
If the map is not included in EDA Scan app:
EDA RESPONSE GRAPH - IN APP
Check your EDA graph in the Fitbit app to see how your body responded to a mindfulness session after using the on-wrist EDA Scan app.
STRESS MANAGEMENT SCORE
Understand how your body is handling stress with a daily score from 1 to 100—a higher number means you’re showing fewer physical signs of stress.
REFLECTIONS
Keep track of your emotional well-being by logging how you feel, from Very Calm to Very Stressed, after an EDA Scan, guided breathing or anytime.
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.*
FITBIT ECG (ELECTROCARDIOGRAM) 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.
Post-Availability: The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old. See fitbit.com/uk/ecg for additional details.
ON-WRIST SKIN TEMPERATURE SENSOR
(short) Sense logs your skin temperature each night to show how it varies from your personal baseline, so you can be aware of trends over time.
(long) Sense is Fitbit’s first smartwatch with an on-wrist skin temperature sensor to keep you informed and in tune with your body. It logs your skin temperature each night so you can see when your temperature changes from your usual range. These insights can help you understand patterns and spot trends when it comes to changes in your body, like fever or ovulation.
Not available in all markets. Significant changes in ambient temperature may negatively impact skin temperature tracking.
FREE FITBIT PREMIUM TRIAL
Your Sense smartwatch unlocks a free 6-month Fitbit Premium membership complete with personalised insights, advanced analytics, relaxing sounds, sleep tools and more.
HIGH & LOW HEART RATE NOTIFICATIONS
Resting heart rate is a key indicator of health, so Sense keeps you informed when yours appears to be abnormally high or low.
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 your watch and the Fitbit app to log periods, record symptoms, track your ovulation and discover patterns in your cycle.
FITNESS
BUILT-IN GPS
During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance without your phone 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.
EXERCISE MODES
Choose from 20 exercise modes to get real-time stats during your workouts—or let SmartTrack automatically recognise and record your exercises.
WATER-RESISTANT + SWIM TRACKING
Sense is water-resistant to 50 metres, which means you’re free to track laps in the pool, wear it in the shower, at the beach and beyond.
ALL-DAY ACTIVITY TRACKING
Sense tracks all-day activity like steps, distance, active minutes and calories burned to show how every part of your day gets you closer to your goals.
ACTIVE ZONE MINUTES
(short) Active Zone Minutes help you make every minute count during workouts by buzzing your wrist when you enter your personalised target heart rate zone.
(long) Active Zone Minutes uses your resting heart rate as a baseline to track the time you’re spending in your target heart rate zones during exercise. You’ll see how your efforts add up and if you’re meeting the World Health Organisation’s recommendation for 150 minutes of moderate activity or 75 minutes of vigorous activity per week.
(INTL) Active Zone Minutes uses your resting heart rate as a baseline to track the time you’re spending in your target heart rate zones during exercise. You’ll see how your efforts add up and if you’re meeting the World Health Organisation’s recommendation for 150 minutes of moderate activity or 75 minutes of vigorous activity per week.
SLEEP
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
Feel more refreshed with Smart Wake—your watch wakes you with quiet vibrations during a lighter sleep stage within half an hour of your desired wake-up time.
SLEEP MODE
Keep sleep uninterrupted by using sleep mode to mute smartphone notifications and stop your screen from turning on at night. Set a schedule on your wrist 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.
SMART
BUILT-IN VOICE ASSISTANT
Use Google Assistant or Amazon Alexa Built-in to get quick news and weather, set bedtime reminders and alarms, control your smart home devices and more—just by speaking to your watch. Voice assistant availability and features may vary, see fitbit.com/uk/voice
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.
We will not be talking about the speaker in the context of Alexa/GA until it’s available with 5.1 update.
MUSIC EXPERIENCE
Connect and control Spotify playlists and podcasts. Plus store and play music with Deezer. Subscriptions required for use of music services; not available in all countries.
FITBIT PAY
Upload your credit and debit cards to your watch to tap and pay for purchases and ride transit without your wallet. See bank and transit availability at fitbit.com/uk/fitbit-pay/banks
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.
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 on Android only. Available when phone is nearby.
APPS ON YOUR WRIST
Download hundreds of apps for fitness, finance, sports and fun—everything from Strava 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 smartwatch. 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.
DESIGN & MORE
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.
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.
FAST CHARGING
If you’re always on the move, fuel up with fast charging that gives your watch a full day’s charge in just 12 minutes. Varies with use and other factors.
INFINITY BAND
Optimised for workouts and all day wear, the new infinity band is more comfortable and flexible than ever. Plus with a quick-release mechanism, it’s easier to swap looks. Sense accessories can also be worn with Versa 3.
CLOCK FACES
Choose from hundreds of clock face designs and store up to 5 favourites right on your wrist, then easily switch your look from classic to modern and back—or go totally unique with your own photo.
ACCESSORIES
Create endless looks with Fitbit Sense accessory bands, including designer collections from Pendleton and Victor Glemaud. New quick-release feature makes it easier than ever to swap looks. Sold separately. Versa 3 accessories can also be worn with Sense.
FITBIT APP
Fitbit Sense automatically syncs to computers and most popular phones and tablets to show your stats, trends and all your progress in the Fitbit app.
HEALTH
- Stress Management Score
- EDA Scan App
- Reflections
- ECG app for heart rhythm assessment
- Irregular Heart Rhythm Notifications
- On-Wrist Skin Temperature Sensor
- Oxygen Saturation (SpO2) Monitoring
- 6-Month Fitbit Premium Membership
- High & Low Heart Rate Notifications
- 24/7 Heart Rate Tracking with PurePulse® 2.0
- Breathing Rate
- Heart Rate Variability
- Sleep Stages & Sleep Score
- Smart Wake
- Sleep Mode
- Snore & Noise Detect
- Menstrual Health Tracking
FITNESS
- Daily Readiness Score
- Built-In GPS
- Workout Intensity Map—In App Only
- Active Zone Minutes
- Heart Rate Zones
- 20 Goal-Based Exercise Modes + SmartTrack
- Water resistant
- All-Day Activity Tracking
- Do Not Disturb Mode
SMART
- Voice Assistant
- Call, Text & App Notifications
- Spotify Connect & Control
- Fitbit Pay
- Always-On Display Mode
- Apps on Your Wrist
- Clock Faces
- Calls From Your Wrist
DESIGN & MORE
- 6+ Day Battery
- Fast Charging
- Biosensor Core
- Leading Edge Design
- Infinity Band
- Accessories
- Fitbit Ap
What's included:
- Fitbit Sense
- 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®
Memory
- Saves 7 days of detailed motion data, minute by minute
- Saves daily totals for the last 30 days
- Stores heart rate data at one-second intervals during exercise tracking and at five-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
Compatibility
Google account will be required. See fitbit.com/devices.
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 14 or higher.
- Android OS 9 or higher. See additional tips for Android phones here.
Syncing range: Up to 9m
- Certain features like smartphone notifications may require Android 9+. Check your device compatibility.
- Syncing requires Bluetooth® LE and internet connection.
- Syncs with iPhone 5S and later, Android 9 and later.
- Music control via Bluetooth® Classic on Android and Bluetooth LE on iOS devices.
Security and Updates
Legally required software and security updates will be provided.
Band Size
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
- 40.48mm l x 40.48mm w x 12.35mm h
Connectivity | . | |
Operating system | Proprietary, Samsung Tizen, watch OS, Wear OS | FitOS |
Data transfer function | Yes / No | Yes |
Compatible with Operating System | Android, iOS | Android, iOS |
NFC | Yes / No | Yes |
Contactless payment | Yes / No / n.A. | Yes |
Mobile payment service | Apple Pay, Garmin Pay, Fitbit Pay, n.A. | FitbitPay |
Bluetooth | Yes / No | Yes |
Wifi built | Yes / No | Yes |
ANT + | Yes / No | No |
App instalation possible | Yes / No | Yes |
Compatible with apps | Google Maps | No |
" | Yes | |
" | MyFitnessPal | No |
" | Runkeeper | No |
" | Spotify | Yes |
" | Strava | Yes |
Shows Smartphone Posts | Yes / No | Yes |
Reports of smartphone | Receiving messages | Yes |
" | Sending messages | Yes* |
" | Read messages | Yes |
" | Caller ID | Yes |
" | Accept incoming calls | Yes* |
" | Decline inocoming calls | Yes* |
" | Notifications | Yes |
" | Music ministry | |
Alert notification | Sound Alarm | Yes |
" | Light Alarm | Yes |
" | Vibration | Yes |
" | Message on screen | Yes |
Camera Controls | Yes / No | No |
Independent music player | Yes / No | Yes |
Usable storage | # (gb) | |
Music Service | Yes / No | Yes |
Built in speaker | Yes / No | Yes |
Voice control | Yes / No | Yes |
Built in microphone | Yes / No | Yes |
Independent calling via watch (only if you can talk in the watch itself) | Yes / No | * |
Calling possibilities | Calling from adressbook | No |
" | Answering calls | Yes* |
" | Independent calling | * |
Heart Rate Monitor | . | |
Heart Rate Monitor | Yes / No | Yes |
Heartbeat Sensor | Built-in pulse sensor | Yes |
" | Included Transmitter | No |
" | Optional chest strap | No |
Heart Rate Zones | Yes / No / n.A. | Yes |
Notification exceeded target zone | Yes / No / n.A. | Yes |
Measuring Fitness Age | Yes / No / n.A. | Yes |
Heart rate measuring stress level | Yes / No / n.A. | Yes |
Measuring recovery | Yes / No / n.A. | No |
Reporting irregular heartbeat | Yes / No / n.A. | Yes |
Moment of heart rate | Continuously | Yes |
" | Incidental | Yes |
" | Upon request | Yes |
Type of heart rate monitor | ECG heart rate measurement | * |
" | Optical heart rate measurement | Yes |
Heart rate measurement under water | Yes / No / n.A. | n.a. |
GPS sensor | . | |
GPS sensor | Yes / No | Yes |
Built-in GPS receiver | Yes / No | Yes |
GPS via smartphone | Yes / No | Yes |
GPS application | Navigation | No |
" | Route Registration | Yes |
Navigation - Shows distance to destination | Yes / No / n.A. | N.A |
Navigation - Navigation on a (road)map | Yes / No / n.A. | N.A |
Navigation - Navigation (breadcrumb) | Yes / No / n.A. | N.A |
Navigation - Loading routes on watch possible | Yes / No / n.A. | N.A |
Navigation - Trackback function | Yes / No / n.A. | N.A |
Navigation - Type of navigation indication | Turn for turn, Route line, n.A. | N.A |
Satellite Positioning System | GPS | Yes |
" | Glonass | Yes |
" | Galileo | No |
Installed cards | Yes / No | No |
Golf course mao | Yes / No / n.A. | No |
Road map | Yes / No / n.A. | No |
Cartogram | Yes / No / n.A. | No |
Track Map | Yes / No / n.A. | No |
World Map | Yes / No / n.A. | No |
Ski map | Yes / No / n.A. | No |
Sensors | . | |
Altimeter | Yes / No | Yes |
Measures total increase / decrease | Yes / No / n.A. | No |
Measures vertical speed | Yes / No / n.A. | No |
Type of altimeter | Barometic | No |
" | GPS | Yes |
" | Through smartphone | Yes |
Compass | Yes / No | No |
Gyroscope | Yes / No | Yes |
Accelerometer | Yes / No | Yes |
Thermometer | Yes / No | Yes |
Saturation meter | Yes / No | No |
Sports properties | . | |
Measures activities | Yes / No | Yes |
Adjusting Sport Profiles | Yes / No | Yes |
Auto pause | Yes / No | Yes |
Interval training | Yes / No | No |
Lap counter | Yes / No | Yes |
Distance | Yes / No | Yes |
Calorie Burning | Yes / No | Yes |
Calorie Measurement based on heart rate | Yes / No / n.A. | Yes |
Heartbeat | Yes / No | Yes |
Sleep | Yes / No | Yes |
Indicate bedtime | Yes / No / n.A. | Yes |
Sleep Duration | Yes / No / n.A. | Yes |
Sleep Quality | Yes / No / n.A. | Yes |
Speed | Yes / No | Yes |
Steps | Yes / No | Yes |
Automatic motion detection | Yes / No / n.A. | Yes |
Automatic step goal | Yes / No / n.A. | Yes |
Measures minute intense workout | Yes / No / n.A. | Yes |
Acivity reminder | Yes / No / n.A. | Yes |
Kick | Yes / No | No |
Measuring average speed during activity | Yes / No | |
Speedometer | Yes / No | |
VO2 max measurement | Yes / No | estimated |
Virtual partner | Yes / No | No |
Virtual opponent | Yes / No | No |
Pair cadence sensor possible | Yes / No | No |
Live Tracking | Yes / No | No |
Aantal gegevens weergegeven op scherm | # | |
Recommended for sports | (Do not fill in) | (niet invullen) |
Cycling - Compatible with power meters | Yes / No | No |
Fitness - Available fitness workouts | Cross Trainer | |
" | Spinning | |
" | Step Machine | |
" | Treadmill | Yes |
" | Front lunges | |
" | Lateral lunges | |
" | Crunches | |
" | Squats | |
" | Jumping jacks | |
" | Burpees | |
" | Pilates | |
" | Yoga | |
" | Rowing machine | |
" | Circuit Training | |
" | Weight Machine | |
" | Bench Press | |
" | Pull Downs | |
" | Deadlifts | |
" | Shoulder press | |
" | Front raises | |
" | Lateral raises | |
" | Situps | |
" | Thrusters | |
" | Planks | |
" | Mountain climbers | |
" | Prints | |
" | Leg press | |
" | Pull ups | |
" | Rope workout | |
" | Interval training | |
" | Martial arts | |
" | Boot Camp | |
Fitness - Race Forecast | Yes / No | No |
Fitness - Recovery Advice | Yes / No | No |
Fitness - Save personal records | Yes / No | No |
Golf - Dogleg distances | Yes / No | No |
Golf - Golf course details | Yes / No | No |
Golf - Digital Scorecard | Yes / No | No |
Golf - Distances to hazards | Yes / No | No |
Golf - Measuring lap times | Yes / No | No |
Golf - Measuring stroke distance | Yes / No | No |
Golf - Odometer | Yes / No | No |
Golf - Shows distance to green | Green front | No |
" | Middle green | No |
" | Back green | No |
Golf - Track statistics | Yes / No | No |
Golf - Handicap Score hole adjustable | Yes / No | No |
Golf - Handicap Score player adjustable | Yes / No | No |
Golf - Lay-up distances | Yes / No | No |
Golf - measuring Swing Tempo | Yes / No | No |
Golf - Keep score, distance and time | Yes / No | No |
Running - Footpod | Yes - built, yes - supplied loose, yes - optional, no | No |
Running - Measures soil contact | Yes / No | No |
Running - measures Rencadans | Yes / No | No |
Running - Measures stride | Yes / No | No |
Running - Measures vertical oscillation | Yes / No | No |
Triathlon - Preset sportmodussen | Yes / No | No |
Triathlon - Toggle during exercise | Yes / No | No |
Swimming - Automatic intervals | Yes / No | No |
Swimming - Automatic stroke recognition | Yes / No | Yes |
Swimming - Measure distance swimming | Yes / No | Yes |
Swimming - Meet swimming speed | Yes / No | |
Swimming - Track length adjustable | Yes / No | |
Swimming - SWOLF tracking | Yes / No | No |
Swimming - Swimming Baantjes counter | Yes / No | |
Animated workouts | Yes / No | |
Additional features | . | |
Shows date on display | Yes / No | Yes |
Timer | Yes / No | Yes |
Stopwatch | Yes / No | Yes |
Alarm function | Yes / No | Yes |
Automatic time synchronization | Yes / No | Yes |
Vibration | Yes / No | Yes |
Button Lock function | Yes / No | No |
Emergency button | Yes / No | No |
Geofencing | Yes / No | No |
Telephone book | Yes / No | No |
Tracking intake (water) | Yes / No | Yes |
Fall detection | Yes / No | No |
Unique features | . | |
Identify the unique features of the watch | Free to enter. We suggest highly to use this space for additional information about the unique features or the target group etcetera. | Local |
Included as standard | . | |
Wireless charging | Yes / No | No |
Included home charger | Yes / No | No wall plug included in-box, UL-certified wall plug compliant |
Charging cable | Yes / No | Yes |
Extra strap | Yes / No | Yes |
Type strap | (Size, color, etc.) | small / large strap |
Transmitter | Yes / No | No |
Instruction manual | Yes / No | Yes |