Fitbit Flex FB401SL Slate Wireless Activity, Sleep & Fitness Tracker Wristband

JayzJems
(520)
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US $15.99
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Condition:
Used

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Located in: Coeur d'Alene, Idaho, United States
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Estimated between Sat, Jan 10 and Wed, Jan 14 to 94104
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eBay item number:305034949652
Last updated on Nov 20, 2025 22:28:53 PSTView all revisionsView all revisions

Item specifics

Condition
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is ...
Country of Origin
Unknown
Language
English
Signed
No
Bundle Description
No
Custom Bundle
No
Personalized
No
UPC
898628002656
Power Source
Batteries
Size
S, L
Color
Blue
Indoor/Outdoor
Indoor/Outdoor
Material
Plastic
MPN
FB401SL
For Operating Systems
Windows, iOS, Android
Brand
Fitbit
Department
Unisex Adults
Type
Activity Tracker
Battery Life
Up to 5 Days
Measurement Provided
Distance, Calories
Model
Flex
Body Area
Wrist
Features
Wireless, Bluetooth, Wristband, Alarm, Pedometer, Calorie Monitor, Water Resistant, Sleep Tracker
Sport/Activity
Gym & Training, Yoga, Running & Jogging
Category

About this product

Product Identifiers

Brand
Fitbit
MPN
FB401SL
GTIN
0898628002656
UPC
0898628002656
Model
Flex
eBay Product ID (ePID)
1006183131

Product Key Features

Power Source
Batteries
Size
S, L
Department
Unisex Adults
Battery Life
Up to 5 Days
Sport/Activity
Gym & Training, Yoga, Running & Jogging
Color
Blue
Indoor/Outdoor
Indoor/Outdoor
For Operating Systems
Windows, iOS, Android
Measurement Provided
Distance, Calories
Body Area
Wrist
Features
Wireless, Bluetooth, Wristband, Alarm, Pedometer, Calorie Monitor, Water Resistant, Sleep Tracker
Material
Plastic
Type
Activity Tracker

Additional Product Features

Mobile App
Yes

Item description from the seller

About this seller

JayzJems

100% positive feedback•1.7K items sold

Joined Sep 2018
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.5
Shipping speed
5.0
Communication
4.9

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Product ratings and reviews

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4.5
180 product ratings
  • 139 users rated this 5 out of 5 stars
  • 17 users rated this 4 out of 5 stars
  • 9 users rated this 3 out of 5 stars
  • 5 users rated this 2 out of 5 stars
  • 10 users rated this 1 out of 5 stars

Easy to use

Lightweight

Accurate

Most relevant reviews

See all 108 reviews
  • by baldwinloco
    Sep 22, 2018Top favorable review

    A simple goal: Count your steps

    A simple fitness goal: Count 10,000 steps a day. This device shows progress with little LEDs and purrs when you get 10,000. Doesn't do much, doesn't cost much, and you can get wristbands in different sizes and colors.

    Verified purchase: YesCondition: Pre-OwnedSold by: savetronix

  • by 99codydog
    Feb 09, 2016Top critical review

    Would think again before purchasing the Charge HR

    I only use this product to keep track of steps and heart rate. I have found that this products add steps to the count while I am (have been) sitting taking no steps. I do find that when I use it to log one (1) specific activity it seems to work well. I don't know enough to comment on the heart rate. I am not sure if battery last 5 days as I charge when its low. I have been to Fitbit community blog and all the new people (like me ) seem to have the same issue of adding steps. i am not sure if its a software issue or Fitbit is even looking at this problem. i think I would find a different one if I was to get a new one.

    Verified purchase: YesCondition: NewSold by: bcovew

  • by smartcows
    Dec 26, 2017

    Same old poorly designed wrist nand

    I like everything about the Fitbit tracker except for the wristband. This is my third one and the band is still the same style with the hard to connect snaps at the end. Otherwise it's accurate it's small and it's economical. In our family Fitbit has see unreliable history as this is our third one in three years. It seems you may as well plan on buying a new one every year for Christmas because the first two couldn't last more than one year. The Fitbit app is poorly designed also hard to find features and poorly designed tiles with no descriptive titles. The app is badly in need of an update itself.

    Verified purchase: YesCondition: NewSold by: savetronix

  • by UQ5yqOhdT-u@Deleted
    Jun 25, 2016

    Fairly accurate, but not perfect.

    I've tried a basic pedometer (which is largely what I use this fitbit for), a misfit shine, and this. It's way more accurate than the misfit and slightly off (by 100-200 steps) than my pedometer. The additional features, such as sleep tracking and counting stairs you've climbed, sold me on this product. It syncs wonderfully with Myfitnesspal, which is a MAJOR bonus for me.

    Verified purchase: YesCondition: Pre-OwnedSold by: i9qbftc2s6-@deleted

  • by tlbSmMb1QDi@Deleted
    Apr 12, 2016

    Fit Bit Flex

    I LOVE my new Fit Bit Flex. My only complaint would be that it needs to be charged every other day. I was told it would only need to be charged about once a week. Otherwise, it's great. I've ordered several replacement bands to coordinate with my outfits. I love the way it tracks my sleep and my steps. It was well worth the money.

    Verified purchase: YesCondition: NewSold by: QT_dmeVAQtW@Deleted

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