Year-End SaleEnds 1/1/26. Limited quantities. No rainchecks.

Skip to content
Main Content

Customer Ratings & Reviews

No content
  • Front. Fitbit - Flex 2 Activity Tracker - Navy.
  • Angle. Fitbit - Flex 2 Activity Tracker - Navy.
  • Alt View 1. Fitbit - Flex 2 Activity Tracker - Navy.
  • Alt View 11. Fitbit - Flex 2 Activity Tracker - Navy.
  • Alt View 12. Fitbit - Flex 2 Activity Tracker - Navy.
  • Alt View 13. Fitbit - Flex 2 Activity Tracker - Navy.
  • Fitbit Flex 2 video 0 minutes 30 seconds

Fitbit - Flex 2 Activity Tracker - Navy

Model:
FB403NV
SKU:
5579210
Highly rated by customers for:
Your price for this item is $59.95

Customer reviews

Rating 4.5 out of 5 stars with 2706 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.1 out of 5 stars

  • Quality

    Rating 4.3 out of 5 stars

  • Ease of Use

    Rating 4.2 out of 5 stars

Pros mentioned filter

Cons mentioned filter

92%would recommend to a friend

Customers are saying

Customers are satisfied with the Flex 2 Activity Tracker's ease of use, sleep tracking, water resistance, and compact size. Many appreciate its accurate step tracking and lightweight design, while some found the battery life to be insufficient. A lack of a heart rate monitor and display were also noted as shortcomings by some users.

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 87 Showing 1,721-1,740 of 2,706 reviews
  • Pros mentioned:
    Sleep tracking

    Works well

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

    Purchased to get moving more. It keeps me moving. Good tool.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

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

    Upgrade from Flex

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

    This is much smaller and works better than my previous one.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Really helps us track physical activity

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

    Quantifies my physical activity in an understandable format.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Love it, easy to use

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

    Set up was easy, sync with phone is easy and it works great

    This review is from Fitbit - Flex 2 Activity Tracker - Black

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

    Like everything except lack of clock.

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

    Bought this particular Fitbit because of waterproof feature.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend

  • Good tracker

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

    This just right for me. Perfect for what I paid for.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

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

    great value

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

    perfect size. i got this for my Mother and she loves it

    This review is from Fitbit - Flex 2 Activity Tracker - Lavender

    I would recommend this to a friend
  • Pros mentioned:
    Water resistance

    Flex 2 works well

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

    We bought 2 Flex2's. Both have worked with for us so far.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
  • Cons mentioned:
    Battery life

    Great device

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

    Accurate step counter, only issue is battery life.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

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

    Good "dress up" Fitbit

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

    Wanted a second Fitbit for dress up. This fits the bill.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
  • Pros mentioned:
    Water resistance

    Simple and reliable

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

    Easy to use. It just works. No problems with water.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend

  • Love it !

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

    As always, great product by Fitbit. Love the design !

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Good starter

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

    My first activity tracker. Works great! Would recommend.

    This review is from Fitbit - Flex 2 Activity Tracker - Lavender

    I would recommend this to a friend
  • Pros mentioned:
    Sleep tracking

    Love the Product

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

    Great for managing my activities and I absolutely love it.

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
  • Pros mentioned:
    Water resistance

    Requires little effort

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

    The Fitbit requires litttle effort because it's water proof

    This review is from Fitbit - Flex 2 Activity Tracker - Lavender

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Great Product

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

    This Fit Bit is very easy to use and easy set up !

    This review is from Fitbit - Flex 2 Activity Tracker - Lavender

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Great Product

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

    Very Easy to set up and use, Set up time easy !!!!

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Comfortable

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

    Use it swimming, sleeping, any time, you'll forget it's on!

    This review is from Fitbit - Flex 2 Activity Tracker - Lavender

    I would recommend this to a friend

  • Excellent

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

    It really motivates me to step more and reach my daily goal

    This review is from Fitbit - Flex 2 Activity Tracker - Black

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

    nice product

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

    the best part of the flex 2 is the water proof love it!

    This review is from Fitbit - Flex 2 Activity Tracker - Black

    I would recommend this to a friend
Page 87, Showing 1,721-1,740 of 2,706 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. © 2025 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.