We’ve spent hundreds of hours researching and comparing Fitbit Flex Usb of all specifications to find the best one for any need (or budget). Here are the results.

The Best Fitbit Flex Usb of 2020 – Top Rated & Reviewed

2,433 Reviews Scanned

Rank No. #1
DHMXDC Replacement Bluetooth USB Wireless Sync Dongle Compatible with Fitbit Flex/Flex2/Alta/Force/One/Charge HR/Surge/Charge 2/Blaze Activity Trackers
  • Compatible with Fitbit One/Flex/Charge/FORCE/Charge HR/Surge/Blaze/Alta and Fitbit Charge 2 Flex2 activity tracker.
  • USB Dongle Bluetooth to replace the Fitbit cable. Synchronize Fitbit data wirelessly.
  • With output short circuit, over voltage and overload filter protection prevent your device being damaged by overcurrent.
  • NOTE: It does NOT work for FITBIT ZIP MODEL, please pay attention to it before you are buying.
  • Note: The best syncing distance between the fitbit tracker and dongle is within 1m(3.3 feet) .
Rank No. #2
JBtek Black Replacement Usb Charger Cable Compatible For Fitbit Flex Band Wireless Activity Bracelet (Charger Cable)
  • This cable is compatible for charging the Fit bit flex wireless band
  • No reset button included
  • Replacement for lost or damaged cables
Rank No. #3
Fitbit Bluetooth, WOSUK Replacement Bluetooth USB Wireless Sync Dongle Compatible with Fitbit Flex/Force/One/Charge/Blaze/Surge/Charge HR Activity Trackers
  • 100% new and high quality
  • Plug into USB port
  • Super Easy Plug and Play - Replacement for lost or damaged cables
  • Compatible with Fitbit Flex/Force/One/Charge/Blaze/Surge/Charge HR
  • Note: The best syncing distance between the fitbit tracker and dongle is within 1m
Rank No. #4
Insten for Fitbit Flex 2 Charger Replacement [2-Pack] 1 Feet USB Charging Cable Cord Charger Adapter Compatible with Fitbit Flex 2 Smart Watch Fitness Tracker Activity Wristband, Black
  • PACKAGE INCLUDES: 2 x Insten Replacement USB Charging Cable for Fitbit Flex 2 , 1FT Black.
  • NOTE: Designed for Fitbit Flex 2 only, not for other models. No reset function. Fitbit Flex 2 is not included.
  • COMPACT AND LIGHT-WEIGHT: Easy to carry around to power up your Fitbit Flex 2 at home or office or on the go.
  • FAST & SIMPLE: Fast and easy charging with a simple plug into any USB port such as your laptop, wall charger and car charger etc.
  • HIGH QUALITY: Durable and flexible cable with a longer lasting product lifespan.
Rank No. #5
YiJYi AL004 for Fitbit Flex 2 Charger USB Charger Cabla Replacement Fitbit Flex 2 Charger for Fitbit Flex 2 Smartwatch - 3 Piece
  • This is a Combination Kits, it contains three fitbit flex 2 chargers.
  • The first fitbit flex 2 charger can be with you at home or in the gym.
  • The second fitbit flex 2 charger can stay with you in the car.
  • The third fitbit flex 2 can be packed on the backpack, wherever you go, in the party or in your traveling.
  • Portable design! it can bring more convenience for you to keep the new Fitbit flex 2 fully charged in the office, at home or in your trip.
Rank No. #6
HalSign Charging Cables Compatible for Fitbit Flex,Replacement USB Charger Cable and Wall Charger Compatible for Fitbit Flex (2Pack,30cm)
  • Simple, easy to carry is particularly suitable for travel.
  • Perfect comfort Compatible with the Fitbit Flex cable . Overall Length: 30cm cable Fitbit Flex + usb plug, 0.9ft / 30cm extra long charger cable makes your life more convenient by charging your Fitbit Flex
  • Prevent your Compatible with Fitbit Flex cable from being damaged by overcurrent when Connected to USB Power Source on PC, Mac, Laptop or Notebook.
  • This product has been tested and validated to ensure it will work, charging head with smart chip, with charging automatic protection
  • 24 Months Money Back Guarantee
Rank No. #7
Fitbit Flex 2 Charger, Replacement USB Charger Charging Cable Cradle Dock Adapter with 6.7" (170mm) Cable Length for Fitbit Flex 2 Fitness Wristband, Does not Fitbit Flex
  • Connect well to your Fitbit Flex 2 Fitness Wristband, with stronger design for a longer lasting product lifespan through the USB connector into your wall charger, car charger or computers.
  • This spare charging cradle snaps easily. Make your Smart Watch charging become more convenient.
  • Flexible tangle free cable and exquisite metal connector have a rated durability of 10,000 uses, making it sufficiently robust for even the most demanding users.
  • Material: TPE + ABS Plastic base. Item Length: 17cm(6.7 inch)
  • Quality Master Cables
Rank No. #8
Compatible with Fitbit Dongle USB Wireless Sync Dongle for Charge 4/Varsa 2/Versa Lite/Ace2/Charge 3/Flex 2/Charge 2/Alta HR/Blaze/Surge/Charge HR/Flex/One Tracke
  • 1pc Ecsem® Fitbit Sync Dongle, Replacement USB Wireless Sync Dongle for Fitbit Charge 4/Charge 3/ Aria 2/Ace/ Alta HR/ Charge 2 / Alta/ Blaze/ Surge/ Charge HR/ Flex/ Charge/ Force/ One Activity Monitor Trackers
  • This ECSEM Fitbit Wireless Dongle compatible with Fitbit activity trackers: Fitbit Alta/ Blaze/ Force / Charge / Charge HR / Surge / Flex / Force / One
  • Plug&Play: Plugs into USB port. Ideal for laptop or computer. Easy to carry; Notice: Please keep the distance within 1 meter between Fitbit Tracker and Dongle
  • Package include: 1pc Replacement Wireless Sync Dongle for Fitbit Trackers
  • Please NOTE: this fitbit wireless sync dongle replacement need win7 or lower computers. We take responsbility for our products. Life-time friendly customer service. Any question or problem, do not hesitate to contact us.It’s our great honor to help you.
Rank No. #9
Fitbit Flex Charger | Replacement USB Cable for Fitbit Flex Wireless Watch Band
  • 100% Brand New, High Quality. It is a brand new USB charging cable for Fitbit flex wireless band.
  • COMPATIBLE MODELS: for Fitbit flex wireless band Note:Only for charging, no RESET function.
  • Color- blackTotal length- approx. 20cm
  • You can charge for Fitbit flex wireless band with this USB cable on: any Computer (PC or Mac) that has Standard USB port a wall charger that has Standard USB port a car charger that has Standard USB port.
  • Package Content: 1 * Charging cable
Rank No. #10
TenCloud Wireless Sync Dongle Receiver Compatible Charge 3, Versa, Ionic, Alta, HR, Ace, Flex 2, Aria 2, Charge HR, Surge (1-Pack)
  • Synchronized USB dongle compatible for fitting charge 3/Ace/One/Flex/Flex 2/zip/charge/charge 2/force/charge hr/surge/blaze/Alta/Alta hr/Ionic/Aria/Aria 2(wireless dongle)
  • Plugs into USB port and sync with your Fitbit within 100 centimetres - ideal for second laptop or computer - plug into USB port
  • Mini, portable, ideal for second computer and replacement for original.
  • Note: sync dongle is only compatible with Windows 7 window 10 system for Fitbit Versa/charge 3/Ace/Ionic/blaze/Alta/Alta hr/Flex 2/charge 2/charge/surge/charge hr, compatible with Windows XP and below for Fitbit One/zip/Flex/force.
  • 1 year warranty.Unconditional replacement or refund for any quality issue.We will try to solve your issue in 24 hrs.

Last update on 2020-09-15 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Fitbit Flex Usb to Buy Now


Why You Should Buy Best Fitbit Flex Usb from Amazon

Amazon is not the only store that sell Fitbit Flex Usb. However, there are several compelling reasons why you should buy Fitbit Flex Usb from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping Fitbit Flex Usb Personal

Amazon is very good at making recommendations of Fitbit Flex Usb based on your search history. From time to time, they will even show you discounted prices on Fitbit Flex Usb that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add Fitbit Flex Usb to your cart and go through a multi-step checkout process, or you can buy Fitbit Flex Usb with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for Fitbit Flex Usb, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great Fitbit Flex Usb Images and Descriptions

In addition to still images, many of Amazon’s Fitbit Flex Usb have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Fitbit Flex Usb descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Fitbit Flex Usb. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Fitbit Flex Usb (with Price and Reviews)

Although most Fitbit Flex Usb are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Fitbit Flex Usb:

(1) Fitbit Flex Usb Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Fitbit Flex Usb should be in line with its value. You can compare Fitbit Flex Usb reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Fitbit Flex Usb is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Fitbit Flex Usb materials differ from manufacturer to manufacturer. Consider where and how you will be using your Fitbit Flex Usb to determine if one material would be better than another.

(4) Size

Like most products, Fitbit Flex Usbs come in various sizes. Do you need a large Fitbit Flex Usbor a small one? Think about where you will use your Fitbit Flex Usb in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Fitbit Flex Usbs also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Fitbit Flex Usb would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Fitbit Flex Usb will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Fitbit Flex Usb you purchase may affect its durability.

(7) Storage

Will you need to store your Fitbit Flex Usb? If so, you should consider the size and weight of the Fitbit Flex Usbto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Fitbit Flex Usb will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Fitbit Flex Usb. It is hard to know exactly how an Fitbit Flex Usb will perform until you get it home and try it out.

(9) Warranty

Make sure the Fitbit Flex Usb you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.