Explore the latest Back to School techShop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. Fitbit - Flex Wireless Activity Tracker - Navy.
  • Angle. Fitbit - Flex Wireless Activity Tracker - Navy.

Fitbit - Flex Wireless Activity Tracker - Navy

Model:
FB401NV
SKU:
4606700
Highly rated by customers for:
Loading...

Customer reviews

Rating 4.4 out of 5 stars with 10455 reviews

Rating Filter

Pros mentioned filter

Cons mentioned filter

92%
would recommend
to a friend

Customers are saying

Customers are satisfied with the Flex Wireless Activity Tracker's sleep tracking, ease of use, and accurate step tracking capabilities. Many appreciate the long battery life, comfortable size and weight, and the motivational aspects of the device. While some users mentioned challenges with the charging mechanism, clasp, and price point, the positive feedback on core features outweighs these concerns. The water resistance and alarm features also received positive comments.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 471 Showing 9,401-9,420 of 10,455 reviews

  • Easy to use

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    If you are looking to get your exercise in this summer, you need one of these.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Fit bit

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this for a gift and it was worth the price paid.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Useful

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very valuable during my workouts to keep track of steps

    This review is from Fitbit - Flex Wireless Activity and Sleep Wristband - Pink

    I would recommend this to a friend

  • Ok Fitbit

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Not a fan of the color but worth the buy. Wear it all the time

    This review is from Fitbit - Flex Wireless Activity and Sleep Wristband - Pink

    I would recommend this to a friend

  • Great product

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My wife really loves this product. She uses it everyday. Great buy.

    This review is from Fitbit - Flex Wireless Activity and Sleep Wristband - Pink

    I would recommend this to a friend

  • Great my son loves it

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It was a birthday gift for my son and he loves it ! I plan to buy one for me

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Wife loved it, good inspiration for exercising.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My wife can track her daily exercise without an I-Phone that most others require.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • My love this item

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We bought this item for my wife, and it's a plus to her workout plan.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Inconsistant data and app has bugs

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Buggy app with inconsistant data and info. Went through 2 fitness classes and showed 0 activity while other times shows accurate info. Have had to reload app multiple times. Due to inconsistant performance I will return product.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    No, I would not recommend this to a friend

  • Great product!

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really like the watch. Seems pretty durable and pairs up well with my phone.

    This review is from Fitbit - Flex Wireless Activity and Sleep Wristband - Pink

    I would recommend this to a friend

  • Good pedometer & sleep tracker

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    An okay device for tracking step & running activity. Most accurate when arm motion consistent with walking or running activity. Active activity monitoring not consistent. Nice reports on the tracked activities, great for showing trends.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    No, I would not recommend this to a friend

  • Helps alot to know progress of steps

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I enjoy the sleep tracking along with keeping track of the steps.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Slate

    I would recommend this to a friend

  • Good reporting from the Flex

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Satisfied with initial data collected for my start back to getting in shape.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Great product

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love my Fitbit. Have an Apple Watch but still wear it all the time

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • great product!

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This works as intended and have been loving keeping track of my fit results!

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Fitbit

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product and Wife loved it, I would definitely recommend this product.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend

  • Nice product

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I've tried several different activity trackers, this one is by far the best.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Slate

    I would recommend this to a friend

  • as expected

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Came quickly and as expected. Just started using it but no problems so far.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Slate

    I would recommend this to a friend

  • Just the right size and model for me

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great Fitbit model considering its my first excerzise walking device

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Slate

    I would recommend this to a friend

  • Wife loves it

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My wife bought this. She loves it. She likes being able to track her steps.

    This review is from Fitbit - Flex Wireless Activity and Sleep Tracker Wristband - Black

    I would recommend this to a friend
Page 471, Showing 9,401-9,420 of 10,455 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
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.