Main Content
Fitbit Sense 2 Soft Gold Aluminum Blue Mist Strap Advanced Health & Fitness Smartwatch, 24mm - FB521GLBM-US
|
Shop Fitbit
Abt Model: FB521GLBMUS
UPC: 810073611436
In Stock
Your Price: $299.95
-
$50/mo suggested payments with 6 month special financing.Get a decision in seconds with no impact to your credit bureau score.or -
Color:
Gold/Blue
Your Shipping ZIP Code:
Free Shipping & Free Returns
Estimated delivery date by
See other products in Smartwatches or Fitbit
Fitbit Sense 2 Soft Gold Aluminum Health & Fitness Smartwatch w/ 24mm Blue Mist Strap, Model FB521GLBM-US
Learn to manage stress & sleep better with our most advanced health & fitness smartwatch.
Features
- Manage Stress
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
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. Coming soon.
Even More to Love
- The big picture of your health.
Premium uses data about your body to uncover your unique health patterns. It doesnt stop there: youll also receive personalized insights that empower you to make better choices plus access to workout and mindfulness videos.2 - 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, pay for retail items, use the built-in voice assistant and send quick 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.
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. - 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.*
- Irregular Hearth Rythm 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.2 - ECG App for Heart Ryhtm Assessment
Compatible ECG app lets you assess your heart rhythm for atrial fibrillation—a heart rhythm irregularity—and share results with your doctor.*
- 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.2
Only available in the Fitbit app and only displays variation. - Breathing Rate
Small variations in your breathing rate could be a sign of changes in your well-being.2
- 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.2
- Menstrual Health Tracking
Log periods, record symptoms, find patterns in your cycle & estimate your ovulation window.3
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). Coming Soon. - Alexa Built-In
Use Alexa Built-in to get quick news and weather, set alarms, control your smart home devices and more.6
- Google Maps
Easily get where you're going with an interactive view and turn-by-turn directions on your wrist. Coming soon. - Google Wallet
Make purchases from your wrist with Google Wallet everywhere Google Pay is accepted. Coming soon. - 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. - Compatible with iOS and Android Devices
Fitbit devices are compatible with iOS and Android phones. - Slim Design
Sense 2 is built to feel natural on your wrist and complement styles both casual and elegant. It's sleek and slim with all-new raised band attachments that make it more comfortable for all-day wear. - 6+ Day Battery
Long battery life means less charging, more living.
Battery life varies with use & other factors. - Fast Charging
Get a day's worth of battery in just 12 minutes.
Battery life varies with use & other factors. - Clock Faces & Accessories
Give your Fitbit a stylish new look with dozens of clock faces and accessory bands to choose from. - Color Touchscreen
A bright color display for sharp stats all day. - Fitbit Premium Membership
Your Fitbit includes a for advanced insights, hundreds of workouts & mindfulness sessions, Daily Readiness Score, Sleep Profile & more.1
California customers:
General
Operating System Compatibility
Apple iOS 12.2 or higher, Android OS 8.0 or higher
Water Resistant
Yes
Sensors
Yes
Rechargeable Battery
Yes
Clock Display
Yes
Estimated Battery Life (hours)
144
Touch Screen
Yes
Music Storage Capability
Yes
In the Box
1 x Fitbit Sense 2, 2 x Classic Band (small & large), 1 x charging cable
Type
Fitness Tracker
Bluetooth
Yes
Wristband
Classic wristband
Wearable
Yes
Heart Rate Monitor
Yes
Digital Read Out
Yes
Battery Type
Lithium-Polymer
User Replaceable Battery
No
Pedometer
Yes
Calorie Counter
Yes
GPS
Yes
Date
Yes
Operating System Compatibility
Apple iOS 14 or higher, Android OS 10 or higher
Dial Type
Digital
App Compatible
Yes
Gender (Google)
Unisex
Water Resistance
Yes
Water Resistance Depth
50m
Sensors
multi-path optical heart sensor, electrical sensor to measure skin conductance (cEDA) for stress detection, multipurpose electrical sensors compatible with ECG app & EDA app, red and infrared sensors of oxygen saturation, altimeter, 3-axis accelerometer, skin temperature sensor, ambient light sensor, NFC, built-in GPS + GLONASS, vibration motor, speaker, microphone
Alerts & Alarms
Yes
Vibration Motor
Yes
Connectivity
Bluetooth
Bluetooth Enabled
Yes
Bluetooth Version
5.0
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
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
Storage Capacity
saves daily totals for the last 30 days, stores heart rate data at one-second intervals during exercise tracking and five-second intervals at all other times
In the Box
Fitbit Sense, Classic wristband (both small & large), Charging cable
Case
Case Color
Gold
Case Material
Aluminum
Case Shape
Square
Case Size (mm)
38
Strap/Bracelet
Strap Size
Small, Large
Watch Band Color
grey
Watch Band Color Details
Shadow Grey
Watch Band Material
Silicone
Watch Band Style
Classic wristband
Smartwatches
Activity Tracker
Yes
Alerts & Alarms
Yes
App Compatible
Yes
Backlit Display
Yes
Battery Life
6+ days
Built-In Speaker
Yes
Calendar
Yes
Calorie Counter
Yes
Cellular
No
Charge Time (hours)
2 hours (12 minutes to get one day of battery life)
Clock Display
Yes
GPS
Yes
Heart Rate Monitor
Yes
Operating System
Fitbit
Operating System Compatibility
Apple iOS 14 or higher, or Android OS 10 or higher
Pedometer
Yes
Rechargeable Battery
Yes
Stopwatch
Yes
Touch Screen
Yes
Voice Assistant Built-In
Yes
Approximate Dimensions
Height (in)
0.45
Width (in)
1.5
Band Size
Small, Large
Warranty Information
Parts Warranty
1 Year Limited
Labor Warranty
1 Year Limited
Key Features
- Health Metrics
- SpO2 Blood Oxygen Tracking
- Stress Notifications
- All-Day Response Tracking
- Stress Management Score
- Built-In GPS
- 40+ Goal-Based Exercise Mode
- Water Resistant To 50 Meters
- Voice Assistant
- 6+ Days Battery Life
- Fast Charging
- Soft Gold/Blue Mist Finish
Over 87 Years Of Experience
Your home, in our perfectly trained hands.
Our address has changed over time, but we haven't. Pleasing people since 1936
Whether you're a block away or a time zone away, you're never too far for us.
One of Abt’s most well-known attractions, this 7,500 gallon saltwater aquarium is home to dozens of sea creatures.
The house that customer service built.
Hot and fresh from the oven, every weekend.
When it comes to appliances, electronics and more, even the news outlets come to us.
On rotation in the Living Kitchen are the season's latest Sub-Zero, Wolf & Cove appliances.
A trusted name on the outside, everything you could need on the inside.
Your recently viewed items:
Fitbit Sense 2 Soft Gold Aluminum Blue Mist Strap Advanced Health & Fitness Smartwatch, 24mm
Fitbit Sense 2 Soft Gold Aluminum Blue Mist Strap Advanced Health & Fitness Smartwatch, 24mm
Contains 24 Reviews