Fitbit FB521GLBM-US

Fitbit Sense 2 Smartwatch User Manual

Model: FB521GLBM-US | Brand: Fitbit

1. Overview

The Fitbit Sense 2 is an advanced health and fitness smartwatch designed to help users manage stress, improve sleep, and live healthier. It integrates various health monitoring tools and smart features for daily convenience.

Key Features:

2. Setup

What's in the Box:

Fitbit Sense 2 smartwatch, two bands (S & L), and charging cable

Image: Contents of the Fitbit Sense 2 box, showing the smartwatch device, two sizes of wrist bands, and the charging cable.

Initial Setup:

  1. Charge Your Device: Connect the charging cable to the Sense 2 and a USB power source. Ensure the device is fully charged before first use.
  2. Download the Fitbit App: Install the Fitbit app on your compatible iPhone or Android device from your device's app store.
  3. Create/Log In to Account: Open the Fitbit app and follow the on-screen instructions to create a new account or log in with an existing one.
  4. Pair Your Smartwatch: In the Fitbit app, select "Set up a Device" and choose Fitbit Sense 2. Follow the prompts to pair your smartwatch with your phone via Bluetooth.
  5. Complete Setup: The app will guide you through personalizing settings, setting up notifications, and activating features like Fitbit Pay and Alexa.

3. Operating Your Smartwatch

Navigating the Device:

The Fitbit Sense 2 features a vibrant touchscreen display and a physical button on the side for navigation. Swipe left/right, up/down to access different apps, stats, and quick settings. Press the side button to return to the clock face or access shortcuts.

Health and Fitness Tracking:

Fitbit Sense 2 showing stress management score and all-day body response tracking

Image: The Fitbit Sense 2 displaying stress management features, including a stress management score and all-day body response tracking for stress.

The Sense 2 continuously monitors various health metrics:

Smart Features:

Fitbit Sense 2 displaying incoming call, text message, and Alexa interaction

Image: The Fitbit Sense 2 showcasing convenient on-wrist connection features, including incoming call alerts, text message notifications, and Amazon Alexa built-in functionality.

Battery Life:

Fitbit Sense 2 showing 6+ days battery life and iOS/Android compatibility

Image: The Fitbit Sense 2 highlighting its 6+ days battery life with fast charge and compatibility with both iOS and Android devices.

The Fitbit Sense 2 offers 6+ days of battery life on a single charge, varying with use and other factors. It supports fast charging, providing 24 hours of charge with just 12 minutes of charging.

4. Maintenance

To ensure the longevity and proper functioning of your Fitbit Sense 2, follow these maintenance guidelines:

5. Troubleshooting

If you encounter issues with your Fitbit Sense 2, try the following common troubleshooting steps:

For more detailed troubleshooting and advanced solutions, please refer to the Official User Manual (PDF).

6. Specifications

FeatureDetail
Product Dimensions1.57 x 0.47 x 1.57 inches; 1.3 ounces
Item Model NumberFB521GLBM-US
Batteries1 Lithium Ion batteries required (included)
Operating SystemiOS (compatible with Android devices via Fitbit app)
Memory Storage Capacity4 GB
Special FeaturesSleep Monitor, Stress Monitor, ECG, Oxymeter (SpO2), Heart Rate Monitor, GPS, Time Display, Notifications, Water Resistant
Battery Capacity162 Amp Hours
Connectivity TechnologyBluetooth
Wireless Communication StandardBluetooth
GPSBuilt-in GPS
Screen Size1.69 Inches

7. Warranty and Support

Your Fitbit Sense 2 comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or visit the official Fitbit support website.

Additionally, new and returning Fitbit Premium users receive a 6-month Premium membership with device activation. This membership provides personalized insights, advanced analytics, and exclusive content to enhance your health and fitness journey.

For comprehensive support, FAQs, and detailed instructions, download the full Fitbit Sense 2 User Manual (PDF).

8. Product Images

Fitbit Sense 2 Smartwatch in Blue Mist/Pale Gold
The Fitbit Sense 2 Smartwatch in Blue Mist/Pale Gold color, showcasing its sleek design and vibrant display.
Fitbit Sense 2 health tracking features
The Sense 2's health tracking capabilities, including ECG and SpO2 monitoring, displayed alongside a user meditating.
Fitbit Sense 2 sleep tracking features
Insights for better nights: The Sense 2 tracks sleep patterns and provides a Sleep Score, with a personalized Sleep Profile available via Premium.
Fitbit Premium membership benefits
An overview of Fitbit Premium benefits, including Daily Readiness Score, Sleep Profile, and advanced sleep analytics.

9. Product Videos

No official seller videos are available for embedding at this time.

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