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Overview

This is a Refurbished product in Excellent condition.

It has been tested for 100% functionality, carefully cleaned, and has few to no visible signs of wear. Includes 1-year warranty.

Fitbit Sense 2 smartwatch makes wellness insights easier to check with heart rate, sleep and SpO2 insights, GPS workout tracking and smart notifications.
  • Review heart rate, sleep and SpO2 insights in a simple wrist-based view.
  • GPS supports distance, location and outdoor activity tracking.
This description was generated by AI and reviewed for accuracy.
Refurbished Excellent

Refurbished (Excellent) - Fitbit Sense 2 Aluminum Smartwatch with Call Notifications, Heart Rate Monitor, and GPS

Brand: Fitbit
Model: FB521
Web Code: 19468509
Sold and shipped by | 4.4 seller rating (53 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What You Need to Know
  • Fitbit Sense 2 supports active outdoor days with route, activity and durability-focused features.
  • Wellness tracking helps you follow heart rate, sleep, SpO2 trends through the day.
  • GPS and training features help you follow routes, distance and workout progress.
  • Water-resistant design adds confidence for sweat, splashes and active days.
Stay connected from your wrist.
  • Calling and notification features help keep conversations and alerts easy to reach.
  • Smart reminders and alerts help support daily routines.
Track routes with GPS.
  • GPS support helps track outdoor routes, distance and location-based activity details.
  • Route and activity details help compare workouts and outdoor sessions over time.
Ready for outdoor activities.
  • Outdoor activity features help support hiking, walking and active days.
  • Water-resistant design adds support for sweat, splashes and active conditions.
Support training progress.
  • Training features help you follow workout progress with supported performance insights.
  • Coaching, recovery or planning tools help add structure to training sessions.
Follow wellness insights.
  • Heart rate, sleep and SpO2 trend tracking helps you review wellness trends over time.
  • Sleep tracking helps you look back at rest patterns from the watch.
Power through longer wear.
  • Long Battery Life: Enjoy up to 6+ days of use on a single charge with fast-charging support.
Designed for everyday wear.
  • Sleek Shadow Grey Design: Lightweight, stylish, and comfortable for everyday use.
Additional product details.
  • Water-Resistant & Durable: Withstands up to 50m water depth, perfect for workouts, swimming, or all-day wear.
  • Advanced Health Monitoring: Track heart rate 24/7, SpO2 levels, stress, sleep quality, and body responses for deeper wellness insights.
  • Built-in GPS: Stay active with accurate pace and distance tracking during outdoor workouts-no phone required.
  • Smartwatch Features: Receive call, text, and app notifications directly on your wrist. Works with both Android and iOS devices.
Refurbished to Excellent Condition: Thoroughly tested, cleaned, and restored to full working order. Functions like new with only minimal cosmetic signs of use
Trade in

Trade in your smartwatch for a Best Buy gift card.*

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Quebec
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Smartwatches
Return/Exchange Period
30 days
Condition
Opened

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