Fitbit Flex Wireless Activity And SLeep Wristband

Fitbit Flex Wireless Activity Tracker & Sleep Wristband

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The FitBit Flex is one of the most popular products in the recent line of electronic activity monitors. But what exactly can it do and how will it benefit you in your day to day life?

The importance of tracking your physical activity

Using technology to monitor your workout progress has been used in fitness machines such as treadmills and stationary bikes for many years. While this is useful for seeing how we are doing at that particular time, unless you are using a design that lets you connect a USB to store details of your workout, then once you step off the machine you lose all details of your progress.

FitBit Flex Activity Tracking lets you set and manage your fitness goals


Writing down details of your activity is possible but what if you lose the paper, misread a number or forget to take down an important piece of information? It is very easy to lose track of your progress and feel like you aren’t making gains.

Even if you don’t go to a gym or use an exercise machine at home, the amount of outside activity such as running, cycling or even steps taken walking every day all count towards your calories burned and improving your fitness level.

What makes the FitBit Flex so unique?

While there are many devices available for measuring your steps taken, there are very few that have tools that you can then use from your computer or smart phone to record your progress and set goals.

What makes the FitBit Flex unique is its ability to not just record your activity throughout the day, but also show how close you are to completing goals as well as monitor your quantity and quality of sleep.

Design of the FitBit Flex

As with any piece of activity monitoring equipment, whether it is a heart rate monitor belt or wrist band, if you are going to be using it on a regular basis it is important the material feels comfortable.

The rubber wristband material and securing mechanism make sure that you can keep the FitBit Flex secure on your wrist without discomfort.

The simplicity, texture and colour style are also important in choosing anything that will appear in such a prominent place and be seen as often as when worn on the wrist.

Even with such a slim profile, the FitBit Flex wristband features a ‘control centre’ that does the monitoring and transfer of data from your activity to your smart phone and computer.

Fitbit Flex Wireless Activity Tracker & Sleep Wristband

Even with this, the Flex is totally waterproof which means you don’t have to worry about taking it off when showering and forgetting to put it back on again.

There is also a set of LEDs that are used to display the battery life left in the FitBit control center. To get the most out of the charge of the battery it may be worth syncing data just once per day before you go to sleep.

Fitbit Flex Software and Features

  • Tracks steps, distance, calories burned, and active minutes
  • Log food, weight, and more on Fitbit’s website or apps
  • Monitors how long and how well you sleep
  • Wakes you (not your partner) with a silent wake alarm
  • LED lights show how your day is stacking up against your goal
  • Set goals, view progress, and earn badges
  • Share and compete with friends throughout the day
  • Syncs automatically with select mobile devices and to your computer
  • Free iPhone and Android App
  • Instantly launch your Fitbit app by tapping your device with your NFC-enabled Android phone
  • Easy-to-wear, slim, comfortable wristband
  • Available in two stylish colours – black and slate
  • Accessory bands allow you to personalise your Flex
  • Wear all day and night – even in the shower
  • Rechargeable battery

Fitbit Flex Wireless Activity Tracker & Sleep Wristband

Fitbit Flex Wireless Activity Tracker & Sleep Wristband – Features Summary

  • Records steps taken, distance travelled, calories burned
  • Record active minutes, hours slept, quality of sleep
  • Silent wake alarm, water resistant
  • Track your goals with online and Mobile tools
  • Set your goals and sync your stats

Syncing and accessing your activity information

The FitBit Flex tracks steps, distance, and calories burned and shows you how close you are to achieving your daily goals.

At night, it will track your sleep cycle, help you learn how to sleep better and even wake you silently in the morning.

Flex syncs your info to select Bluetooth 4.0 devices, without plugging in or pushing buttons.

Fitbit Flex Wireless Activity Tracker & Sleep Wristband

It also syncs with select Android devices (Samsung Galaxy S III, Note II, and more), as well iOS devices (iPhone 5, 4S, iPad 3rd gen., iPad Mini, and more) and PCs and Macs.

This gives you real-time access to your stats on the Fitbit dashboard throughout the day.

Monitoring your activity information online

Flex comes with a whole range of free online tools, allowing you to set goals on your personal dashboard and follow your progress through graphs and charts.

Use the Fitbit App for iPhone and Android to track steps, distance, calories, active minutes, and sleep, and receive goal progress notifications and milestone updates.

Log food consumption, weight, and weight changes, and additional workout info on the website and on the go using the Fitbit App for iPhone and Android.

Enhancing your motivation

One of the main reasons for monitoring your activity and fitness levels is to see how much you have improved over a period of time.

Whether this is running a marathon or simply achieving a certain number of steps each day, being able to see yourself getting closer to and even achieving these goals is what will give you the motivation to keep going and even set new goals.

Fitbit Flex Wireless Activity Tracker & Sleep Wristband

Flex uses LED lights to show you how you’re stacking up against your daily goal. Each light represents 20% of your goal. You choose which one – steps, calories, or distance. It lights up like a scoreboard, giving you the motivation you need to get up and keep moving. Just check your stats right on your phone.

Setting and achieving targets with FitBit Badges

Flex keeps you motivated and helps you reach and celebrate milestones by awarding badges as you reach daily and lifetime achievements and goals.

By allowing you to create an online community through enlisting your friends and family, this can also help in reaching your goals by sharing your stats, creating fitness challenges, and taking a group leader board challenge.

Fitbit Badges help to keep you motivated by letting you know when you achieve your goals

Box Contains

  • 1 x Fitbit Flex Tracker
  • 1 x Small wristband
  • 1 x Large wristband
  • 1 x Charging cable
  • 1 x Wireless USB dongle
  • 1 x Free Fitbit account
The Fitbit Flex is available in a wide range of colours to suit your own personal style


Buy the Fitbit Flex Wireless Activity Tracker & Sleep Wristband


Review Overview

The Fitbit Flex Wireless Activity Tracker & Sleep Wristband is an excellent way of tracking your daily health and fitness. The combination of the app and the wristband mean that you can sync your data during the day and check your goals and daily progress using the charts and personal dashboard from your computer each day.

The fact that it feels so comfortable on your wrist and has been designed to be so aesthetically pleasing mean that you are much more likely to want to wear it throughout the day.

The combination of personal goal setting and tracking, badges for achievements and the ability to form an online community to compare your progress between friends are all reasons why you will actually find yourself wanting to exercise and be more active.

The FitBit Flex can also sync with popular fitness apps such as Sparkpeople, LoseIt!, MyFitnessPal, MapMyFitness, Runkeeper, and Endomondo.

Update September 2021

This product is no longer available for purchase online. To find current alternatives, please see the recent reviews of

This product is no longer available for purchase online. To find current alternatives, please see the recent reviews of Heart Rate Monitors.

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