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Fitbit

Fitbit Sense Advanced Smartwatch with Tools for Heart Health, Stress Management & Skin Temperature Trends, Carbon/Graphite, One Size (S & L Bands Included)

    • Based on 29,315 reviews
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2025

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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Nov 15
Order within 22 hours and 47 minutes
Available payment plans shown during checkout

Color: Carbon/Graphite


Features

  • EDA Scan app detects electrodermal activity which may indicate your body's response to stress and a built-in skin temperature sensor logs yours each night so you can see when it varies.Band Size : Small : Fits wrist 140mm - 180mm in circumference. Large : Fits wrist 180mm - 220mm in circumference
  • Assess your heart for atrial fibrillation a heart rhythm irregularity- and easily share results with your doctor (The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old.Operating temperature: 14 to 113F
  • An on-wrist skin temperature sensor tracks yours each night so you can see how it varies. You can also see your nightly blood oxygen levels at a glance with our collection of clock faces.Maximum operating altitude: 28,000ft
  • High & low heart rate notifications alert you if yours seems above or below your average
  • Battery lasts 6 plus days plus, fast charging gives you a full days charge in just 12 minutes (Varies with use and other factors; up to 12 hours with continuous GPS)
  • Use built-in GPS during runs, hikes, rides and more to see pace & distance without your phone and use the built-in mic and speaker to take Bluetooth calls hands-free when your phone is nearby (Requires more frequent charging)

Description

Meet Fitbit Sense—the advanced smartwatch that helps you tune in to your body and guides you toward better health. Assess your heart for atrial fibrillation (Afib) with a compatible ECG app right on your wrist, track & manage stress, better understand your sleep quality and even keep an eye on patterns in your skin temperature. Plus, Sense unlocks a 6-month free trial of personalized guidance and advanced insights from Fitbit Premium for new users. Fitbit is part of the Google family. Requires use of Fitbit app with compatible iPhone or Android devices. A Google account will be required.

Operating System: android


Memory Storage Capacity: 6400 MB


Special Feature: Time Display, Alarm Clock,GPS,Notifications,Heart Rate Monitor,Sleep Monitor, ECG, Heart Rate Monitor, Stress Tracking See more


Connectivity Technology: Bluetooth, gps


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Ion


GPS: True


Shape: Heart


Screen Size: 1.58 Inches


Brand: Fitbit


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 1.59 x 1.59 x 0.49 inches; 1.1 ounces


Item model number ‏ : ‎ FB512BKBK


Department ‏ : ‎ Unisex-Adult


Batteries ‏ : ‎ 1 Lithium Polymer batteries required. (included)


Date First Available ‏ : ‎ August 25, 2020


Manufacturer ‏ : ‎ Fitbit Inc


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Nov 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Great battery life, love the bright easy to read screen
Color: Carbon/Graphite
I am a long time Fitbit user. I upgraded from the Fitbit Charge 3 because I couldn't read the Charge 3 screen at all in the sunlight. The Fitbit Sense is easy to read even when it's sunny out. Great battery life & charges super fast. Sleep mode is very helpful. I really wish that you could fully read text messages & emails on the Sense. Also wish you could see your full reply when responding to someone via voice to text. Sense isn't useful/helpful when you have to use your phone to see full text messages, emails or your voice response to make sure there aren't any wrong words in your voice to text before sending. The purpose of those features are so you wouldn't have to rely on using your phone. Also, sometimes when you press on a notification Sense will occasionally clear other unopened notifications. It doesn't happen often but is frustrating when it does. In exercise mode I wish there was an option to see the current time in addition to elapsed time, distance, pace & heartrate all on the same screen. It would be helpful when doing 5k races or training for a race. I do like the current option of seeing those on separate screens too but would prefer the ease of seeing all on one screen. Golf mode has shut itself off a few times when I've used it. That's disappointing when you're trying to keep track of total play time & total steps specifically during the hours of playing golf. Wish I could get the "Golfpad" app on my Sense then I could use my Sense instead of the app on my phone. Also wish there were more free clocks similar to Spectrum that showed current time, date, steps, sleep & heartrate on one screen with a nice picture background that was easy to read. Overall I love the Fitbit Sense. I plan to try more of the other features such as music soon & hope I can listen while keeping the walking exercise mode running during a race without a problem. Hopefully I'll be able to switch back & forth quickly & easily. I bought the screen protector for my Sense & have been using it since. So glad I did as it's protected the screen many times from being bumped or accidentally dropped when trying to put it on. Wish Fitbit would sell the screen protectors. Would also like more color options for the sport bands including an all black band and breathing holes. The sport bands & Sense are very comfortable to wear even while sleeping. I recommend the sport brands if you play a lot of sports or are very active to ensure it stays on. I love the square face of the Sense. It's large enough & bright enough to read indoors & outdoors yet delicate looking for a small wrist. One last thing, wish Fitbit gave a better way to sign up for the extra extended coverage. The option popped up on the app on my phone but unfortunately while I was at work & didn't have the credit card on me I would have used to pay for the coverage. So unfortunately I didn't get a chance to sign up for that. The Sense is rather pricey so worth waiting until it's on sale. ... show more
Reviewed in the United States on September 17, 2021 by Deb H.
    • Personalized and Informative Value
Color: Carbon/Graphite
Fitbit Sense has a lot of personalized information to help you reach your goals and also improve your health. Resting and current hear rates, personalized notifications, sleep quality and quantity so you can improve areas. Average Pulse ox readings for overnight and discussion with your healthcare provider if needed for a more detailed look if needed. It has been invaluable and the battery life is great. ... show more
Reviewed in the United States on September 25, 2024 by Anna
    • I almost didn't order this device
Color: Carbon/Graphite
I had an Ionic and before that a fitbit HR. My Ionic died last week after a couple of years of use. DISAPPOINTED! OK, but I still wanted to get another. I found that the Ionic had been discontinued. DISAPPOINTED! OK, but I need something. I saw that the Sense had, more or less replaced the Ionic and was about to order one when I read the reviews. Oh my god. I read 'don't buy this it's a piece of junk'. Poor quality. It doesn't work. The button is impossible to use, most of the time. I almost didn't order one. I didn't see a lot of positive reviews. I depend upon the reviews. I thought, I'll order one, and if it's as bad as they say, I'll return it. I loved my old Fitbit HR, but wow, It was butt ugly. I used super glue to keep the strap on! I kept it under my shirt where it wouldn't be seen and wore my Cartier where it could be seen. When I got the Ionic, I thought that is was a huge improvement, but it still wasn't pretty! Finally, with the sense I can say that it looks OK! I don't mind people seeing it. It doesn't look or feel at all cheap. When there are some nice replacement straps, I'll replace the Fitbit strap, just as I did with the Ionic. People don't buy Fitbits for the strap! At first I had trouble with the button, then I read that you had to push it! I should have thought of that! Anyway, it works, easily and every time. Does it trigger accidentally? I haven't seen that. I probably wouldn't see that. In any case, it works after a few minutes getting used to it. As far as I am concerned, this does everything, almost, that the Ionic did. I needed to replace it, and this is better. I am sad that I can't put my music on the Sense, as I could with the Ionic. It's the one feature that I will miss. OK, I agree, the spO2 is a bit of a joke, I haven't yet tried the GPS. For my money, it is functional. It looks way better than the two previous Fitbits that I had. Sure, it is not an apple watch, but it serves an important role. It does a lot more than my Cartier, for which I paid thousands, and I can swim it it - which is important to me. Sure it could be better, but it is not a piece of junk as others here have said. After reading the bad reviews, I feel almost ashamed to say that I like it. I threw the box away. I am not returning it! It doesn't feel cheap! It does what I need! It looks better than any other Fitbit I have owned. I hope it lasts longer than my Ionic! I can throw stones at every piece of hi-tech gadgetry that I own. Please, when you write reviews, don't say, this is a piece of junk. That is not helpful. Explain what you disliked about it and compare it to something so that readers can make an informed judgement. I know junk, and this Fitbit Sense is not junk! Go get yours! ... show more
Reviewed in the United States on October 15, 2020 by Paul

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