Fitbit One, Wireless Activity and Sleep Tracker

Product information

Kick-start your fitness regime and help yourself stay healthy all year long. The Fitbit One™ is a wireless activity and sleep tracker is with you every step of the way. It tracks your steps, distance, calories burned and stairs climbed throughout the day. During the night it continues to measure your sleep cycle helping you learn how to sleep better, and it wakes you in the morning.

  • Monitor your day with the One™ – this tracker’s aim is to empower and encourage you by delivering real-time feedback that helps you be more active. Why not take the stairs instead of the lift? Or go for a quick walk after lunch? Those steps will add up fast.

  • It is suitably discreet so you can wear it comfortably in your pocket, on a belt or bra and the silicone clip will keep it secure.

  • The rechargeable battery lasts 5-7days before needing a boost ans the device is also rain, splash and sweat proof so you can take it with you whatever the weather.

  • At night you can slip the One into a wrist band and the device will continue to work, measuring your sleep cycle. When you need to wake up the One vibrates but doesn’t make a sound so you don’t have to disturb your partner.

  • Bluetooth connectivity lets you see your stats in no time. The One automatically syncs your data to PCs, Macs, and selected iOS and Android devices. All you need to do is sign up for your free account on and register your device.

  • The Fitbit explains your personal data to you using graphics, charts and tools designed to help track your progress. This means you can get a better understanding of your lifestyle and fitness. What’s more the device will score your quality of sleep and over time you can start to apply what you learn in order to make you sleep more soundly.

  • There is a free mobile app and customisable dashboard that bring all your data to your fingertips. Knowing how close you are to achieving your goals, gives you added incentives to push yourself that bit harder. When you do, Fitbit will reward you with badges for daily, weekly and even lifetime achievements.

  • Log your food, water, workouts, weight, and more using Fitbit’s online tools. If you’re on the move, use the mobile app to do the same. Our expansive database covers food and activities, which makes logging your info quick and easy. Create a Food Plan to eat smarter.

  • Challenge and compete with friends and family on In addition to rooting for one another, you can compare stats and see how your progress stacks up.

The Fitbit app is currently confirmed to work with the following devices:
iPhone: 4S, 5
iPod Touch: 5th generation
iPad: 3rd generation, Retina Display, mini
Samsung Galaxy: S4, SIII, Note II, Note 10.1

Compatible with
PCs, Macs, the iPhone 4S, 5, iPod touch and the 3rd generation iPad
Eligible for International Delivery
Model name / number


Click & collect

Click & collect from John Lewis or Waitrose shops tomorrow from 2pm
375 participating John Lewis and Waitrose shops

Collect + from a local shop from Monday - postcode exclusions apply for Collect+ deliveries

5000+ participating Collect+ shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


International delivery not available


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 4.3 out of 5 by 38 reviewers.
Rated 5 out of 5 by Great little gadget I wanted a device to track my levels of activity, but didn't want a watch as I don't need (nor like) the tracker watches on sale. This is a great little gadget, very discreet, I just clip it on my bra or waistband. It's very accurate at recoding steps and miles, although I'm not convinced that the calories burned is correct, it seems overly generous! The app for your smart phone is ideal as well and very easy to use. I have tried the sleep function on it, but for me it's not something I'm particularly interested in using. It does get quite addictive, you don't want to leave the house without it! I would definitely recommend buying one, I think it's great value for money and the fact that buying it from JL means you get a 2 year warranty with it! 10 November 2015
Rated 5 out of 5 by Very Motivating Product I love my Fitbit, I wasn't 100% on the set-up of it though. The instructions were simply about connect it and off you go, that could have had some more explanation and told me what the features were slightly better. I learnt a lot from the forums. For instance, if you wear the Fitbit whilst doing a standing still exercise like weight training you appear to not burn many calories as Fitbit doesn't count you as moving. But afterwards you need to log an activity to say you were doing weights and it adds in the difference in the calories burnt. I like that I am able to track my sleep and have unfortunately discovered I am more restless than I realised. I also take part in the challenges section where I have found some local people and we have a walking competition every day, who can walk the most steps in a day, week or at the weekend. That motivates me as it becomes a goal to beat X. The last thing I like is that it links to My Fitness Pal app. This means once I have logged my food with Fitness Pal, it automatically gives me an allowance for extra calories that it knows I have burnt throughout the day with Fitbit. Fitbit has its own food log too, but I already had My Fitness Pal set up and didn't want to lose my tracker on there. The product is very neat and easy to hide under my blouse on my skirt waistband whilst at work. Yet at the same time the screen is large enough for me to view easily when I am out running and wonder what the time is (watches slip around my wrist but as this is on my waistband it doesn't get in the way). I was worried the clip might come loose as I exercised, but it is actually a very firm grip on my clothes and doesn't move around. I can place it on my collar when I am wearing a dress and have put it on my bra and top straps when I was doing sit-ups. 21 October 2015
Rated 4 out of 5 by Just what i wanted I used the Flex before and found that if carrying my handbag or anything it didn't track so got this for more accurate tracking.It did that perfectly unless i was in the car and it was a bumpy road... noting major! However i did have it clipped to my pocket one day as the user guide suggested and have o managed to loose it! Gutted! Had it for barely a month and now its gone! be a while before i can buy a new one too 25 September 2015
Rated 4 out of 5 by The incentive I needed! This is a great way to encourage you to take more exercise and watch your intake of calories. The Fitbit is easy to set up and to wear, though unfortunately the end of the clip came off after a couple of days lost somewhere in clothing. But that doesn't seem to affect it. I like the silent alarm but haven't managed to set up the sleep monitor- yet! 22 September 2015
Rated 5 out of 5 by Fitbit One, get yourself ONE Great product, clip it on my pocket and forget about it. Just need a quick look part way through day to see if my target is near and adjust activity to suit. 08 September 2015
Rated 5 out of 5 by fitbit one very useful in my fitness plan! easy to use and download data 26 August 2015
Rated 1 out of 5 by Can't figure out how to configure it Unfortunately the Fitbit is languishing in its box as the instructions aren't clear enough for me to understand how to configure it. If you're not technical you need less jargon and more help in understanding how to get all the bits to communicate. I looked up You Tube and was none the wiser. Any advice or help, please? Also I don't belong to Facebook, so if you forward any comments it would have to be to my email address. 11 August 2015
Rated 5 out of 5 by Fitbit one Really good product for monitoring your fitness also very unobtrusive 04 August 2015
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  • 2 year guarantee included

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