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Fitbit One Wireless Activity Plus Sleep Tracker, Black

4.3 out of 5 stars 11,688 customer reviews
| 1000+ answered questions
About the Product
  • Tracks steps, distance, calories burned and stairs climbed
  • Monitor how long and how well you sleep
  • Wakes you (and not your partner) with a silent alarm
  • Syncs automatically to your computer or select smartphones and tablets via Bluetooth 4.0
  • Set goals, view progress and earn badges
  • Sync stats wirelessly and automatically to your computer and over 150 leading smartphones

Frequently Bought Together

  • Fitbit One Wireless Activity Plus Sleep Tracker, Black
  • +
  • Fitbit One Clip, Black
Total price: $89.94
Buy the selected items together

Product Description

Color: Black

Fitness means being active, sleeping well, and eating smarter and the Fitbit one helps you do all three. During the day, it tracks your steps, distance, calories burned and stairs climbed. Come nightfall, it measures your sleep cycle to help you see how to sleep better and it can even wake you in the morning without waking your partner. Your stats upload wirelessly via computer, or select Bluetooth 4.0 devices (like the iPhone 4S). Powered by your stats, you can set goals, and track progress. Stay motivated by earning badges or connecting with friends for support or friendly competitions. Log food, workouts and more. Bring greater fitness into your life seamlessly, socially, 24 hours a day.

FREQUENTLY ASKED QUESTIONS

How do I charge my One?

The Fitbit One tracker is powered by a rechargeable built-in battery. To charge your Fitbit One, align the gold contacts on your tracker with the gold contacts on the inside of the charging cable, then plug it into your computer’s USB port or any other USB charging device. Charging typically takes about an hour and a full charge lasts about two weeks.

A battery indicator will appear when the Fitbit One is first plugged into the charging cable. You can hold down the tracker’s button while it is charging to see its current battery level.

You can also see your One tracker's battery level at the time of your last sync by clicking on the gear icon in the upper right corner of your Dashboard.

How do I reset my tracker?

lf your tracker is not responding, it may be fixed by restarting.

  1. Plug your charging cable into your computer.
  2. Plug your One tracker into the charging cable,making sure that the gold contacts on your tracker align with the gold contacts in the inside of the charger.
  3. Hold down your tracker's button for 10-12 seconds.
  4. Remove your tracker from the charging cable and press its button until the screen turns on.
  5. Your tracker will now be reset. When you press your tracker's button you should be able to navigate through the screens as you normally would.

Product Details

Color: Black
Manual [PDF]|Product Warranty: For warranty information about this product, please click here [PDF]
  • Product Dimensions: 0.2 x 0.8 x 2.2 inches ; 0.3 ounces
  • Shipping Weight: 2.9 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B0095PZHPE
  • UPC: 898628002267 898628002304 737989664649 888063708398 797978876859 884941112202
  • Item model number: FB103BK
  • Batteries 1 Lithium ion batteries required. (included)
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (11,688 customer reviews)
  • Amazon Best Sellers Rank: #184 in Health & Personal Care (See Top 100 in Health & Personal Care)
  • Product Warranty: For warranty information about this product, please click here [PDF]

From the Manufacturer


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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Liora Hess TOP 1000 REVIEWER on November 7, 2012
Color: Black Verified Purchase
Length: 0:36 Mins
I upgraded from the Ultra. You can read my comprehensive review of the Fitbit Ultra at Fitbit Wireless Activity/Sleep Tracker, Black/Blue.

First, I am sold on Fitbit because I've lost over 30 pounds since starting with the Ultra approximately a year ago. I don't work for the company and have received nothing from them for my enthusiasm -- I just find this is something that really works for me.

IMPORTANT Before you read further or miss this: You have to have a phone that has Bluetooth capability for this new Fitbit to sync with your phone. If you're upgrading from the Ultra to this Fitbit One for the sync capability, you'll be disappointed if your phone can't sync. If you've got an iPhone, Bluetooth capability is currently only on the iPhone 5 and 4S. You can still upload your data to the computer with a different phone, but the Fitbit One will not sync with your phone.

How the Fitbit Works: You have a few choices on where to wear the Fitbit (typically waist, pocket, chest pocket or bra), and you keep that Fitbit on you for 24 hours. Whereas the Ultra had a built-in clip, this one has to use the included silicone clip. The upside of this is that the silicone is unlikely to crack, which is something several owners of the Ultra complained about. The downside is that the Fitbit could possibly come out of the silicone case if the case were to get pulled on clothing or some other object. Whereas you used to be able to buy a lanyard to secure your Ultra, in the case of the One, you would only be securing the silicone case and your Fitbit would be lost. Time will only tell whether the silicone case idea is an actual improvement over the Ultra's design.
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Color: Black
I've had quite a love-hate relationship with activity trackers over the past 3 years.

Over this 3 year period, I've used the Fitbit Ultra, the Fitbit One, the Fitbit Flex, the Jawbone UP, and the Jawbone UP24. And after all of that, I've stuck with the waist-worn Fitbit One. Why? Well, read on, and I'll share my experience with all of these devices over the past 3 years!

The Fitbit Ultra (the first activity tracker I owned) was great. It was pretty basic, but it got the job done. I found it to be pretty accurate and easy enough to wear. But I soon became bored with it. All these new, fancy, wrist-worn, bluetooth enabled trackers were coming out and, to be honest, they just seemed to be a lot more fun and offered features (particularly in their accompanying mobile apps). So, after having the Ultra for a year, I decided to upgrade and try a Jawbone UP.

I loved the Jawbone UP at first. Having it on my wrist (a huge selling point) meant I didn't have to think about it. It was always there; it was always recording my activity. When I woke up in the morning, I just hit the button to stop recording my sleep, went about my day, and then hit the button to start recording my sleep when I got in bed that night. It captured everything (or didn't... more on that in a bit). It even had awesome features like power nap and silent, smart alarms (which I really liked). But unlike my Fitbit Ultra, I never had to worry about moving it to a new pair of pants, or remembering to move it to the included wristband at night to record my sleep. The mobile app for it was (and still is) light years ahead of Fitbit's rather bland and uninspiring layout... the layout of the Jawbone is much more "encouraging" to use (if that makes sense).
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Color: Burgundy Verified Purchase
Mine is an early review of this product. I have been using FitBit for only 2 weeks Nevertheless I may still have something to offer to others considering buying one.

Principle One:

A month ago our son gave us the Aria computerized scale for Christmas, knowing Hubby and I were trying to get in better shape. Our son has one, plus a FitBit accessory and has lost 60 lbs with these tools, in a year. He has been highly motivated with these tools.

So, since it worked so well for him, and we now had the fancy scale, I bought my own FitBit to go with it.

I have been using the scale for a month and the two together for a couple of weeks, faithfully.

Since Christmas, I have been losing 1.4 lbs a week with these tools. For my personality the FitBit and Aria are very motivating. I can see exactly what I still need to do every day. And I WANT to do it. It doesn't feel like drudgery.

I don't have a gym membership. We have a two-story house, and a treadmill in the basement. But the treadmill alone has been pure drudgery up until now.

It's one thing to 'know' I am supposed to walk 10,000 steps a day, it's another to be motivated to do it. I already had a pedometer, but it wasn't accurate and I never used it - wouldn't have, even if it were accurate. There is something about the FitBit that changes ME - changes how important it is, to me, to do what I need to do.

I attach it to my bra, first thing in the morning (don't want to miss a single step) and find myself checking it several times a day. I rearrange how I do things so I can meet my goals. I find myself doing WHATEVER IT TAKES to meet them, even if it's bedtime and I think I'm too tired. I make sure I walk a flight of stairs, or two, during commercials when we watch TV.
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