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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 15 - Silver - (2024)

    SKU: CT2962VZRX

    Records sleep like it should Reads heart beatWork out activities Stress levelsStepsEctRing is better then my smart watch

    Product Description

    A sleek silver titanium smart ring that tracks over 30 biometrics for comprehensive health insights.
    See all Smart Rings
    Your price for this item is $349.00

  2. 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

  3. 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

  4. Oura - Ring Gen3 - Horizon - Size Before You Buy - Size 9 - Gold - (2021)

    SKU: CT2962VTKC

    Product Description

    A gold smart ring that tracks sleep, activity, temperature, and heart rate with wireless charging.
    See all Smart Rings
    Your price for this item is $178.99
    Save $270
    The previous price was $449.00

  5. Garmin - vívoactive 5 GPS Smartwatch 42 mm Fiber-reinforced polymer - Slate Aluminum and Black - (2023)

    SKU: JXF9YF4K4C

    Product Description

    A sleek black smartwatch with GPS, AMOLED display, health tracking, and fiber-reinforced polymer construction.
    See all All Smartwatches
    Your price for this item is $189.99
    Save $60
    The previous price was $249.99

  6. Garmin - vívoactive 5 GPS Smartwatch 42 mm Fiber-reinforced polymer - Gold Aluminum and Ivory - (2023)

    SKU: JXF9YF4K4K

    Product Description

    A gold aluminum and ivory GPS smartwatch with AMOLED display, fiber-reinforced polymer case, and advanced health tracking.
    See all All Smartwatches
    Your price for this item is $189.99
    Save $60
    The previous price was $249.99

  7. 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

  8. Amazfit - Active 2 Smartwatch 44mm Silicone - Black - (2025)

    SKU: J3R84J7HF8

    Product Description

    A sleek black silicone smartwatch with heart rate tracking, GPS, offline maps, and up to 10-day battery.
    See all All Smartwatches
    Your price for this item is $84.99
    Save $15
    The previous price was $99.99

  9. Garmin - Index Sleep Monitor Size: S/M - Black - (2025)

    SKU: JXF9YF5FH8

    I like having the additional data that it monitors.

    Product Description

    A comfortable black sleep band that tracks sleep stages, HRV, and skin temperature for nightly recovery insights.
    See all Fitness Trackers
    Your price for this item is $169.99

  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 $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.