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Fitbit Sense 2 Advanced Health and Fitness GPS Smartwatch, Shadow Gray/Graphite Aluminum

SKU: FB521BKGBUS MFR: FB521BKGBUS
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Key Features

  • Track fitness with the Fitbit Sense 2 Smartwatch, featuring built-in GPS for accurate workout data.
  • Monitor heart health & stress levels using advanced sensors; your personal wellness, simplified.
  • Enjoy 6+ day battery life on this Fitbit Smartwatch, so you can focus on your goals, not charging.
  • Stay connected with Bluetooth; receive calls, texts, & app notifications right on your wrist.
  • Water-resistant to 50m, this Fitbit is perfect for swimming and tracking all your aquatic activities.
  • The vibrant display on this Fitbit Smartwatch makes it easy to view stats & notifications at a glance.
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Shopper : Why Did You Choose This?JERRY C : most advanced watch and price

Reviews about this item

Review Summary

2023-12-29T13:35:57

Rated 5 out of 5

Great product

I like it. It does everything it is expected to. Feels good with the band and the color goes well with all my outfits.

DAVID P.

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Fitbit Sense 2 Specifications

  • Color

    Shadow Gray/Graphite Aluminum

  • Sensors & Components

    Multi-path optical heart rate sensor
    Electrical sensor to measure skin conductance (cEDA) for stress detection
    Multipurpose electrical sensors compatible with ECG app & EDA app.
    Red and infrared sensors for oxygen saturation (SpO2) monitoring
    Altimeter
    3-axis accelerometer
    Skin temperature sensor
    Ambient light sensor

  • Sensors & Components (Contd.)

    Wi-Fi (802.11b/g/n 2.4GHz)
    NFC
    Built-in GPS + GLONASS
    Vibration motor
    Speaker (75dB SPL @10cm)
    Microphone

  • Battery & Power

    Battery life of 6+ days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. Use of the always-on display, SpO2 and the cEDA sensor will require more frequent charging. Up to 5 hours with continuous GPS. We recommend charging your tracker every few days to ensure you are always tracking.

  • Battery & Power (Contd.)

    Battery: Lithium-polymer
    Charge time (0-100%): Two hours
    Charge 12 minutes to get one day of battery life
    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 one-second intervals during exercise tracking and at five-second intervals all other times

  • Water Resistance

    Water resistant to 50m. 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.

  • 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.

  • Material

    This watch includes a band made of a flexible material similar to that used in many sports watches, as well as an aluminum 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: -14 Degree to 113 Degree F (-25.5 Degree to 45 Degree C)

  • Syncing

    Google account will be required. 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 8 or higher.
    Syncing range: Up to 30' (9.14m)
    Certain features like smartphone notifications may require Android 8+.

  • Syncing (Contd.)

    Syncing requires Bluetooth LE, an internet connection and location permissions granted on the phone

  • Band Size

    Small: Fits wrist 5.5 - 7.1" (13.97 - 18cm) circumference
    Large: Fits wrist 7.1 - 8.7" (18 - 22cm) circumference

  • Battery Info

    Required, included

  • Battery Material

    Lithium ion

  • Battery Type

    Non-universal

  • Battery Quantity

    1

  • Dimensions (L x W x H)

    1.5 x 1.5 x 0.45" (3.81 x 3.81 x 1.14cm)

  • UPC Code

    810073611429

About Fitbit Sense 2

FEATURED REVIEWS

Great product

By DAVID P.

I like it. It does everything it is expected to. Feels good with the band and the color goes well with all my outfits.

Learn to manage stress & sleep better with our most advanced health & fitness smartwatch.

Learn to manage stress, sleep better and live healthier
Meet Sense 2 + Premium

Stress Management - Understand stress, then minimize its effects
Better sleep. Improved mood. More energy. Managing stress with Sense 2 can help you get there. Identify patterns of stress with all-day body-response tracking and smart notifications to remind you to reflect on your emotions. Try new ways of managing stress with guided breathing exercise meditations and more.

Sleep - Better understand sleep through science
Sense 2 helps you get the ZZZs of your dreams. Sleep Profile breaks down your sleep data each month and pinpoints how you can improve your sleep based on 10 key sleep metrics. Check your Sleep Score to learn about the quality of your previous night's sleep, and get a breakdown of time in light, deep & REM sleep with Premium.

Health Metrics - Tune in to your body
Sense 2 + Premium helps illuminate changes in your wellness. Check your Health Metrics dashboard to see heart rate variability, skin temperature variation, SpO2 and more. You can also use the 90 days of health trends to uncover changes to your well-being.

Heart Health - Everything starts with heart
Use the ECG app for on-demand atrial fibrillation assessment or turn on irregular heart rhythm notifications to assess your heart while you're still or sleeping. Heart-rate tracking surfaces insights from your sleep, stress, activity and more while high & low heart rate notifications keep a close eye on your heart rate.

Fitness - Work out smarter
Do what you love, just get more out of it. Daily Readiness Score shows what level of workout your body is ready for, including an Active Zone Minutes goal and Premium workout recommendation. Track 40+ exercise modes and use built-in GPS for real-time pace and distance-even in up to 50 meters of water.

Google Smarts - The apps you love are here
Reach your destinations easier with turn-by-turn directions from Google Maps and make speedy, secure purchases from your wrist with Google Wallet.

Even more to love

The big picture of your health
Premium uses data about your body to uncover your unique wellness patterns. It doesn't stop there: you'll also receive personalized insights that empower you to make better choices plus access to workout and mindfulness videos.

Style & Comfort
Sense 2 is sleek and slim with raised band attachments that make it more comfortable for all-day wear. The modern design complements styles ranging from funky to formal.

Smart info on the go
Get notifications from your phone, download hundreds of apps, pay for retail items, use the built-in voice assistant and send quick replies and voice replies right from your wrist.

Battery for 6+ days
Sense 2 tracks all your health & fitness stats for 6+ days without having to stop for a charge. Plus get a full day's charge in just 12 minutes.

Display your way
Choose from hundreds of clock face designs and store up to 5 favorites right on your wrist.

Easily pay hands-free
Pay from your wrist at retail stores or transit stations that accept contactless payments.

Ask your voice assistant
Use Amazon Alexa Built-in to ask your Fitbit smartwatch questions, set alarms, check the weather and more.

The app has it all
See your stats, trends and all your progress in one place with the Fitbit app-plus access your Premium membership for personalized guidance.

Features

Stress & Sleep

All-day body-response tracking
A cEDA sensor helps identify when your body is experiencing signs of stress so you can reflect on your emotions, take action and go on with your day. Use of the cEDA sensor may affect battery life.

Stress notifications
Get notified when stress events are detected so you can respond with physical activity, deep breathing & more.

EDA Scan app for stress management
Do EDA mindfulness sessions on your wrist to help you relax-and get instant feedback on your stress.

Reflections
Log your mood and get in tune with your emotional stress.

Stress Management Score
See how well your body's handling stress each day. Detailed score breakdown available with Premium.

Relax breathing sessions
Do simple guided breathing sessions by following prompts on your wrist.

Sleep tracking & sleep stages
Automatically tracks how long you sleep each night and time spent in light, deep and REM sleep stages.

Sleep Profile
Get matched with a sleep animal and see a personalized analysis of your sleep every month. Requires Fitbit Premium membership. Not intended for medical purposes. Consult your healthcare professional for questions about your health.

Sleep Score
Learn about the quality of your previous night's sleep with a personalized Sleep Score.

Smart Wake Alarm
Vibrating alarm wakes you during the optimal sleep stage so you feel refreshed.

Health

SpO2 (blood oxygen) tracking
Tracking SpO2 tells you how well blood oxygen is distributed in your body, which can help you understand potential changes in your wellness. Not available in all markets. Not intended to diagnose or treat any medical condition or for any other medical purpose. Intended to help you manage your well-being and keep track of your information. Requires more frequent charging.

Irregular heart rhythm notifications
Check for signs of an irregular heart rhythm that may be atrial fibrillation (AFib), so you can share this information with your healthcare provider.

ECG app for heart rhythm assessment
Compatible ECG app lets you assess your heart rhythm for atrial fibrillation-a heart rhythm irregularity-and share results with your doctor.

Only available in select countries and with select Fitbit products; not intended for use by people under 22 years old.

Resting heart rate
An important indicator of your heart health & fitness. In general, active people have a lower RHR.

High & low heart rate notifications
If resting heart rate is above or below your usual range, you get notified in the Fitbit app.

Heart rate variability
Tracks HRV-your time between heartbeats. A downward trend over multiple nights could potentially be a result of overtraining, lack of sleep, stress and more.

Skin temperature sensor
A built-in sensor tracks changes in your skin temperature to help you understand potential changes in your wellness.

Breathing rate
Small variations in your breathing rate could be a sign of changes in your well-being.

Wellness report
Get a PDF of your key health & wellness stats from the last few months that you can share with a healthcare professional.

Available with Premium.

Blood glucose tracking (in app only)
Log your glucose levels and see how activity, sleep, stress & nutrition impact your trends in the Fitbit app. Advanced analytics available with Premium.

Menstrual health tracking
Log periods, record symptoms, find patterns in your cycle & estimate your ovulation window.

Fitness

Heart rate tracking
The heart of it all-heart rate powers important data like calorie burn, sleep stages, resting heart rate & more.

Daily Readiness Score
Find out if your body's ready to work out or needs time to recover. Available with Premium.

Active Zone Minutes
Tracks your time in heart rate zones so you get credit when you work harder. Workouts in cardio or peak zones earn double minutes.

Built-in GPS
See pace & distance on your wrist-no phone needed.

Exercise modes
Track your favorite exercises like runs, bike rides, weights, yoga & more and get live stats on your wrist.

Steps, distance & calories
Displays stats on wrist and in the Fitbit app.

Swimproof
Water resistant to 50m for the pool, shower & more.

Cardio Fitness Score
Estimate your fitness level using your VO2 Max (how well your body uses oxygen during exercise).

Automatic exercise tracking
Auto-detects when you're exercising and records your stats in the app.

Workouts on your phone
Sweat to high-energy workouts in the Fitbit app, from Fitbit trainers & popular partner brands. Most workouts require a Premium membership.

Smarts & More

Call, text and app notifications
See calls, texts & smartphone app notifications on your wrist when your phone is nearby.

On-wrist Bluetooth calls
Answer calls on your wrist, send callers to voicemail and adjust volume (when your phone is nearby).

Alexa Built-in
Use Alexa Built-in to get quick news and weather, set alarms, control your smart home devices and more.

Google Maps
Easily get where you're going with an interactive view and turn-by-turn directions on your wrist.

Google Wallet
Make purchases from your wrist with Google Wallet everywhere Google Pay is accepted.

Fitbit Pay
Make purchases from your wrist with Fitbit Pay.

Find My Phone
Find your phone without making someone call it for you.

Always-on display mode
Keeps your display on at all times (may require more frequent charging).

Do not disturb & sleep mode
Mutes calls & notifications and turns your screen off.

Fitbit Sense 2 Features

  • All-day body-response tracking
  • Stress notifications
  • EDA Scan app for stress management
  • Stress Management Score
  • Relax breathing sessions
  • Sleep tracking & sleep stages
  • Sleep Profile
  • Sleep Score
  • Smart Wake alarm
  • SpO2 (blood oxygen) tracking
  • Irregular heart rhythm notifications
  • ECG app for heart rhythm assessment
  • Resting heart rate
  • High & low heart rate notifications
  • Heart rate variability
  • Skin temperature sensor
  • Breathing rate
  • Wellness report
  • Blood glucose tracking (in app only)
  • Menstrual health tracking
  • Heart rate tracking
  • Daily Readiness Score
  • Active Zone Minutes
  • Built-in GPS
  • Exercise modes
  • Steps, distance & calories
  • Swimproof
  • Cardio Fitness Score
  • Automatic exercise tracking
  • Workouts on your phone
  • Call, text and app notifications
  • On-wrist Bluetooth calls
  • Alexa Built-in
  • Google Maps
  • Google Wallet
  • Fitbit Pay
  • Find My Phone
  • Always-on display mode
  • Do not disturb & sleep mode
  • Compatible with iOS and Android devices
  • Slim design
  • 6+ day battery
  • Fast charging
  • Clock faces & accessories
  • Color touchscreen

Warranty Information

This product has a limited warranty of 12 months.

Product Documents

User Manual

Key Features

  • Track fitness with the Fitbit Sense 2 Smartwatch, featuring built-in GPS for accurate workout data.
  • Monitor heart health & stress levels using advanced sensors; your personal wellness, simplified.
  • Enjoy 6+ day battery life on this Fitbit Smartwatch, so you can focus on your goals, not charging.
  • Stay connected with Bluetooth; receive calls, texts, & app notifications right on your wrist.
  • Water-resistant to 50m, this Fitbit is perfect for swimming and tracking all your aquatic activities.
  • The vibrant display on this Fitbit Smartwatch makes it easy to view stats & notifications at a glance.

What's in the box:

  • Fitbit Sense 2 Advanced Health and Fitness GPS Smartwatch (Shadow Gray/Graphite Aluminum)
  • Classic Band (Small & Large)
  • Charging Cable
  • Fitbit 1 Year Limited Warranty