Specifications
Screen Size40 millimetersTouch ScreenYesOperating System CompatibilityAndroid, Apple iOSOperating SystemAndroidApp CompatibleYesGlobal PositioningGPS, GLONASS
Key Specs
Screen Size40 millimetersTouch ScreenYesOperating System CompatibilityAndroid, Apple iOSOperating SystemAndroidApp CompatibleYesGlobal PositioningGPS, GLONASSMetrics MeasuredElectrocardiography (ECG), Pace, Distance traveled, Duration of sleep stages, Skin temperature, Blood oxygen, Calories burned, Hours slept, Duration of exercise, Route, Stairs climbed, Steps takenWater ResistantYesMaximum Depth of Water Resistance164 feetBand MaterialSiliconeSeriesFitbit Sense
General
Product NameSense Advanced Health SmartwatchBrandFitbitProduct TypeSmartwatchForm FactorWristwatchModel FamilyFitbit SenseModel NumberFB512BKBKSeriesFitbit SenseColorGraphiteColor CategoryBlack
Design
Case ShapeRounded squareBand TypeSilicone Band with BuckleBand Width20 millimetersBand ColorCarbon
Display
Display ScreenYesScreen Size40 millimetersTouch ScreenYesDisplay TypeAMOLEDColor DisplayYesClock DisplayYesBacklit DisplayYesAdjustable BrightnessNoCustomizable Watch FacesYesScreen MaterialCorning Gorilla Glass 3
Compatibility
Operating System CompatibilityAndroid, Apple iOSOperating SystemAndroidApp CompatibleYesWorks WithAmazon Alexa, Google AssistantVoice Assistant Built-inGoogle Assistant, Amazon Alexa
Connectivity
Data Plan RequiredNoInternal CarrierNot ApplicableBluetooth EnabledYesNFC TechnologyYesWi-Fi CompatibilityWireless B, Wireless G, Wireless N
Features
GPS EnabledYesGlobal PositioningGPS, GLONASSMobile NotificationsYesAlert TypeVibration, VisualMobile Payment Service SupportedFitbit PaySilent AlarmYesVibration AlertYesBuilt-In MicrophoneYes
Activity
Metrics MeasuredElectrocardiography (ECG), Pace, Distance traveled, Duration of sleep stages, Skin temperature, Blood oxygen, Calories burned, Hours slept, Duration of exercise, Route, Stairs climbed, Steps takenMulti-Sport TrackingYesSensorsAccelerometer, Altimeter, Ambient light sensor, Electrical heart rate (ECG) sensor, Optical heart rate (PPG) sensor, Pulse oximeter (Sp02) sensor, Temperature sensor
Performance
Water ResistantYesMaximum Depth of Water Resistance164 feetShock ResistantNoMinimum Operating Temperature14 degrees fahrenheitMaximum Operating Temperature113 degrees fahrenheit
Power
RechargeableYesBattery Strength IndicatorYesCharging Time40 minutesCharging Interface(s)USBBattery TypeLithium-polymer
Material
Band MaterialSiliconeCase MaterialStainless steel
Camera
Integrated CameraNo
Dimension
Minimum Wrist Size139.7 millimetersMaximum Wrist Size220.98 millimetersBand SizeAdjustable
Warranty
Manufacturer's Warranty - Parts1 year limitedManufacturer's Warranty - Labor1 year limited
Other
UPC811138036980
Meet Fitbit Sense, the advanced health smartwatch that helps you tune in to your body and guides you toward better health. Assess your heart for atrial fibrillation (AFib) with a compatible ECG app right on your wrist, track & manage stress, better understand your sleep quality and even keep an eye on patterns in your skin temperature. Plus, Sense unlocks a 6-month Fitbit Premium membership for new users which includes personalized tools like Daily Readiness—so you can do what's best for your body. Fitbit is part of the Google family.
Daily Readiness
Optimize your workout routine with a Daily Readiness Score that reveals if you're ready to exercise or should focus on recovery.1
EDA Scan App
The on-wrist EDA Scan app detects electrodermal activity--which may indicate your body's response to stress so you can better track and manage it.
Fitbit ECG App & Irregular Heart Rhythm Notifications
There are two ways to uncover AFib, right at your fingertips. With the ECG app, you can take an assessment on demand. Plus, use irregular heart rhythm notifications to look for signs of AFib while you're still or sleeping.2
On-wrist Skin Temperature Sensor
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.3
Understand Your SpO2 Levels
See your nightly blood oxygen levels at a glance with our growing collection of SpO2 clock faces. Then use the Fitbit app to track your trends over time in the Health Metrics dashboard to see when there may be indications of important changes in your fitness and wellness.
6-month Fitbit Premium Included
Personalized health & fitness guidance with a 6-month Fitbit Premium membership for new Premium users.4
High & Low Heart Rate Notifications
Your heart rate is a key indicator of health, so stay informed when Sense detects that your heart rate is unusually high or low.
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 yoru watch.5
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 your phone is nearby. Requires more frequent charging.)
6+ Day Battery Life
Get 6+ days of battery life without stopping to charge, along with fast charging--fuel for a full day in just 12 minutes. 6
1 Daily Readiness requires a Fitbit Premium membership. Premium content recommendations are not available in all locales and may be in English only.
2 The Fitbit ECG app and irregular heart rhythm notifications are only available in select countries and with select Fitbit products; not intended for use by people under 22 years old. The irregular heart rhythm notifications feature is not intended for use by people with known AFib.
3 Skin temperature variation not available in all markets. Only available in the Fitbit app and only displays variation. Significant changes in ambient temperature may negatively impact skin temperature tracking.
4 New and returning Premium members only. Must activate trial within 60-days of device activation (requires valid payment). This trial cannot be gifted. Cancel before end of trial to avoid recurring fees. Content and features may change. Terms & conditions apply.
5 Voice assistant availability and features may vary.
6 Varies with use and other factors; up to 12 hours with continuous GPS. Get 24 hours of charge with 12 minutes of charging.
Note: Requires use of Fitbit app with compatible iPhone or Android devices. A Google account will be required.
What's Included
Fitbit Sense
Infinity band (small & large
Charging cable
Search
Q: QuestionCan you answer your phone on the Versa 3 and sense?(8 answers)
A: Answerno. I bought this watch because the feature was offered but does not work. I understand it will be rolled out with an update during the winter of 2020 or 2021. You answer with the watch app but you still need to talk on your phone.Answered by Ronald
Q: QuestionCan you change the wrist band?(1 answer)
A: AnsweryesAnswered by Jsnkc
- A: AnswerYour ECG results are recorded to the Fitbit mobile app. You can find them by opening up the application on your phone, navigating to the discover tab at the bottom of the app, and then scrolling through the section that says Assessment and Reports. Click on the Heart Rhythm Assessment tab and it will allow you to view your results and export a PDF for your own records.
Answered by EagleEye
Q: QuestionCan it be worn swimming and if so, does it track laps?(2 answers)
A: AnswerCan't edit my previous answer so answering again. Actually yes, just tested it and it works great for swimming and does have a lap counter. Apologies for my earlier response.Answered by RobS
Q: QuestionIs the band the same size as the Fitbit Versa, Versa 2 bands?(2 answers)
A: AnswerNo, the new Fitbit Versa 3 and the new Fitbit Sense use a new style of band. Sad! I've so many pretty bands. I'm still getting the Sense, tho.Answered by BeezLouise
- A: AnswerIt comes with both large and small. ☺️
Answered by BeezLouise
Q: QuestionIs the USB charger cable included with watch?(3 answers)
A: AnswerIt sure is! Also, its a new design of magnetic charger, simple to use.Answered by BeezLouise
Q: QuestionIs it hard to change the wrist band like the Fitbit Versa band ?(1 answer)
A: AnswerNo, the bands are easily changed. The mechanism is similar to that of the Ionic.Answered by Xipher
Fitbit - Sense Advanced Health Smartwatch - Graphite
User rating, 4.2 out of 5 stars with 3129 reviews.
4.2(3,129 Reviews)- 231 Answered Questions
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Reviews
Rating 4.2 out of 5 stars with 3129 reviews
4.2Rating by feature
- 4.3Battery Life
Rating 4.3 out of 5 stars
- 4.2Durability
Rating 4.2 out of 5 stars
- 4.4Comfort
Rating 4.4 out of 5 stars
18 expert reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 4 out of 5 stars
Fitbit sense review
the Fitbit Sense is a solid choice for individuals who prioritize health and wellness tracking. Its comprehensive sensor suite, ECG capability, and sleep tracking features set it apart in the fitness tracking market. Price is affordable and However, its less extensive app ecosystem may be drawbacks for those looking for a more versatile smartwatch experience.
Posted by Yogesh
Rated 5 out of 5 stars
The best fitness watch
I only have to charge it every five days and it recharges really fast. The app is very easy to use and helps you watch your health. The watch glass face doesn’t scratch up like other watches. I swim a lot and do other activities and it keep track of how much you do. I had two other fit bits prior to this and they were all great too. I love this watch and highly recommend it.
Posted by ChristopherC
Rated 4 out of 5 stars
Fitness Watch I’m Using
I’ve had a Fitbit since the very first one. The Fitbit Sense has quite a few notable fitness trackers built-in. I find I’m using it more than any other I’ve owned. The display is clear, fairly easy to navigate, and with the Fitbit app I’m able to track my progress fairly easily. I have yet to use the built-in coach feature on the Fitbit Sense, but will be doing that soon. I tested the GPS against a friends Garman and they only differed by a couple 100th of a mile. Where I live, the GPS connects quickly and I haven’t had a drop when I am outside. The biggest area for improvement that I see, is an effective API with Apple. The Fitbit Sense well apparently allow you some smart watch features with an android device, but Fitbit and Apple’s long-term lack of communication causes problems for those of us with iPhones. I’m not fond of large watches on my wrist, and was apprehensive about this one. However, even though it is larger than I would like, it’s light and comfortable. It doesn’t bother me when I sleep, which the Apple Watch used to. The battery life lasts about two days when I use the GPS for my 5 mile walks. I might be able to get about three out of it, but I charge it while I’m sitting down and working. Overall, I’m happy with the features and will continue to use this watch.
Posted by Bobm128