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 463 Showing 9,241-9,260 of 10,455 reviews

  • Great little device!

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

    This Fitbit, to me, has the most basic features but it is great at what it does!

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

    I would recommend this to a friend

  • No visual indicators on the device

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

    I upgrade from my original charge to the flex and I was disappointed to find that the flex does not tell you any of your movements or even the time. Everything must be synced to your phone.

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

    No, I would not recommend this to a friend

  • does what it says

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

    this does what it says... the sleep tracking is inconsistent at best, but otherwise it's great...

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

    I would recommend this to a friend

  • fits good

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

    very nice love the way it looks feels and works i think its the best one out there

    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.

    Great fitness band. It for and functioned as I expected. It has been working great.

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

    I would recommend this to a friend

  • easy to use

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

    Doesn't't have a scan bar reader for adding food!!

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

    I would recommend this to a friend

  • Works Perfectly

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

    Bought this as a gift and they love it. works great, does everything it says it will

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

    I would recommend this to a friend

  • Entertaining and Fun

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

    I think the fitbit is good and encourages activity.

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

    I would recommend this to a friend

  • Great gift

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

    Very practical and durable. My husband loves his Fitbit and wears it all the time.

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

    I would recommend this to a friend
  • Pros mentioned:
    Accuracy

    Too easy to lose.

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

    The product seemed to keep accurate accounts, but the band came loose too easily. My husband lost it, and found it, several times, but finally it fell off of his wrist and was gone for good!

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

    No, I would not recommend this to a friend

  • Amazing product. Recommend it to everyone!

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

    Love this product got it to help hold me accountable and keep me off my bum. Love it!! It works.

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

    I would recommend this to a friend

  • Great Tracker

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

    This fitbit is easy to use and very durable. Also, I love being able to change bands.

    This review is from Fitbit - Flex Wireless Activity Tracker - Teal

    I would recommend this to a friend

  • New, and innovative.

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

    Love this product. It has helped me achieve new goals!

    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.

    It is a basic model but it do give me just what I want. I do like the product.

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

    I would recommend this to a friend

  • LOVE my Fitbit

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

    I love my fitbit. I wear it all the time and I rely on it to help keep me on track of my health.

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

    I would recommend this to a friend

  • good for motivation

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

    Would reccomed to everyone who wants to stay fit..

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

    I would recommend this to a friend

  • Easy to use.

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

    it does what it says it will do. Just keep it charged.

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

    I would recommend this to a friend

  • like it

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

    I like it. I wish that there were more colors. !!!

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

    I would recommend this to a friend

  • I did not like the plastic band

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

    the plastic ban got very hot when walking out side.

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

    I would recommend this to a friend

  • Excellent pedometer for active person

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

    Requires a lot of input on the app side, but the step count and sleep monitoring is stellar

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

    I would recommend this to a friend
Page 463, Showing 9,241-9,260 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.