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Activity Monitors

Activity monitors are a new class of smartwatch that can track your activity levels and even monitor your sleep. These devices are designed to work in conjunction with a smartphone app to help you improve your fitness and health. Browse the top-ranked list of activity monitors below along with associated reviews and opinions. 

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  1. Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 5 - Brushed Silver - (2024)

    SKU: CT2962VZV6

    after purchased it for me, in another week I've got another to my wife, I love the app and all features, being able to monitor my sleep and many other things. I'm happy with it despite being pricey....I’m...

    Product Description

    A brushed silver titanium smart ring that tracks over 30 biometrics including sleep, heart, and stress.
    See all Smart Rings
    Your price for this item is $399.00

  2. Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 9 - Stealth - (2024)

    SKU: CT2962VZH3

    Product Description

    A sleek black titanium smart ring that tracks over 30 health metrics, including sleep, heart, and stress.
    See all Smart Rings
    Your price for this item is $399.00

  3. Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6 - Stealth - (2024)

    SKU: CT2962VZQY

    Product Description

    A sleek titanium smart ring in stealth black that tracks sleep, activity, heart health, and stress insights.
    See all Smart Rings
    Your price for this item is $399.00

  4. Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 13 - Brushed Silver - (2024)

    SKU: CT2962V4C6

    Product Description

    A brushed silver titanium smart ring that tracks over 30 biometrics, including sleep, heart health, and stress.
    See all Smart Rings
    Your price for this item is $399.00

  5. Amazfit - Band 7 Activity and Fitness Tracker 37.3mm Polycarbonate - Black - (2022)

    SKU: J3R8W4P7WG

    Good activity tracker. Great size for small wrists. Good price....It’s a nice activity tracker watch and looks slim & comfortable....It’s a nice activity tracker watch

    Product Description

    A black polycarbonate fitness tracker with 1.47" display, 18-day battery, and 120 sport modes.
    See all All Smartwatches
    Your price for this item is $49.99

  6. WHOOP - MG Life - Health and Fitness Tracker - 12-Month Membership - Obsidian/Titanium - (2025)

    SKU: J3GW3TK8G7

    Great helpful my life, every day and every step monitor my health...The accuracy of the health and activity tracking is outstanding, giving me clear insights into my sleep, recovery, and daily performance....

    Product Description

    An advanced obsidian and titanium wristband that delivers 24/7 health insights, sleep tracking, and on-demand ECG.
    See all Fitness Trackers
    Your price for this item is $359.00

  7. Garmin - vívosmart 5 Smart Fitness Tracker + Heart Rate Small/Medium - White - (2022)

    SKU: JXF9YFK5CF

    Product Description

    A white plastic fitness tracker offering heart rate monitoring, sleep tracking, and smart notifications for daily health insights.
    See all All Smartwatches
    Your price for this item is $149.99

  8. Garmin - vívosmart 5 Smart Fitness Tracker + Heart Rate Small/Medium - Black - (2023)

    SKU: JXF9YFK5CH

    Product Description

    A black plastic fitness tracker offering heart rate, sleep, and activity monitoring with smart notifications.
    See all All Smartwatches
    Your price for this item is $149.99

  9. Garmin - vívosmart 5 Smart Fitness Tracker + Heart Rate Large - Black - (2022)

    SKU: JXF9YFK5HV

    Product Description

    A black plastic fitness tracker offering heart rate monitoring, sleep tracking, and smart notifications for daily wellness.
    See all All Smartwatches
    Your price for this item is $149.99

  10. Garmin - Index Sleep Monitor Size: L/XL - Black - (2025)

    SKU: JXF9YF5FQQ

    Easy to use, low anxiety sleep monitor

    Product Description

    A comfortable black sleep band tracking sleep stages, HRV status, and skin temperature for nightly recovery insights.
    See all Fitness Trackers
    Your price for this item is $139.99
    Save $30
    The previous price was $169.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.