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Fitbit

Fitbit Sense Health & Fitness Smartwatch W/GPS, Bluetooth Call/Text, Heart Rate SpO2, ECG, Skin Temperature & Stress Sensing (S & L Bands, 90 Day Premium Included) International Version (Graphite)

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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, Jul 31
Order within 18 hours and 17 minutes
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Features

  • 1.59in l x 1.59in w x 0.49in h. ECG, stress sensing and a skin temperature sensor. Get notifications for calls, texts, calendar events and apps like Gmail and Facebook plus send quick replies and voice replies right from your wrist.
  • Compatibility: Apple iOS 12.2 or higher, Android OS 7.0 or higher, Syncing range: Up to 30ft, Music control via Bluetooth Classic on Android and Bluetooth LE on iOS devices.
  • Built-in GPS + GLONASS, Speaker, Microphone, Multi-path optical heart rate sensor, IR sensors for oxygen saturation (SpO2) monitoring
  • Water-resistant to 50 meters. Battery life up to 6+ days. Heart rate tracking technology. Saves 7 days of detailed motion data minute by minute.
  • International Model - No warranty in the US. In Box: Fitbit Versa 3, Classic wristband (both small & large), Charging cable

Description

Get a deeper understanding of your body. Fitbit Sense is an advanced smart watch that will help you to improve your health. You can detect and manage stress, further understand the quality of sleep, and check patterns by estimating fluctuating skin temperature while sleeping. Additionally, Sense offers new Fitbit Premium users a free trial for 6 months. Customized guidance and advanced analysis are available. Health Indicator Dashboard: The health indicator dashboard lets you see averages and graphs for five health indicators of fluctuations in skin temperature, breathing rate, resting heart rate, blood oxygen wellness and heart rate fluctuations. Helps you get a deeper understanding of your body. Can be used in certain areas. Function not intended for medical use. This feature is not intended for use in medical diagnosis or treatment. Function aimed to aid in health management and information recording. Consult your healthcare provider if you are concerned about your health. If you think it is a medical emergency, please contact our first aid service. Mind stress management: Understand stress status from a graph of skin electrical activities. You can also record your mood. 【Free Fitbit Premium Trial】 Individually customized analysis, a guided program to improve sleep and nutrition, and advanced tools for 6 months. Only applicable to new Premium users. Contents and functions may vary depending on the language. 【Supports Better Sleep】 It's important to have a restful sleep. Sense displays your sleep quality as a sleep score and measures sleep stages based on resting heart rate. Heart Rate Alert Notifications: Heart rate is an important indicator of your health. If your heart rate is out of the normal range, the Sense will detect and notify. Estimated fluctuations in skin temperature while sleeping: Changes from individual reference values are displayed so you can keep track of trends. Only available with the Fitbit app. Only fluctuations are displayed. Equipped with GPS. Sense is the ultimate activity partner. Show your pace, distance, or use the app to view your heart rate level on the map. 【More Convenient Communication】 When your smartphone is nearby, you can use Bluetooth calls, receive text messages, and display app notifications on your smartwatch. 【6+ Days Battery Life】 Provides a full daily support with a rapid charge of approximately 1 week of battery life and a full day of charging in just 12 minutes. Depending on how to use and other factors. Up to 12 hours of continuous GPS use. Audio input support: Just speak to the voice assistant of your wrist device, you can check the weather, set your sleep reminders and alarms, operate your smart home devices and more. Google Assistant and Bluetooth calls will be compatible in late 2020. The use of Amazon Alexa may require a third party app. For data recording, you will need to create a free Fitbit account, support wireless syncing, smartphone (even some PCs), and an internet connection environment. This product does not come with a warranty card. If you have a purchase receipt from an authorized domestic retailer, you will receive a manufacturer's warranty for 1 year from the date of purchase

Operating System: Android,Ios


Memory Storage Capacity: 1 GB


Special Feature: GPS


Connectivity Technology: Bluetooth


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Polymer


GPS: Built-in GPS


Shape: Apple,Heart


Screen Size: 1.4 Inches


Brand: Fitbit


Operating System: Android,Ios


Additional Features: GPS


GPS Geotagging Functionality: Built-in GPS


Band Material Type: Silicone


Water Resistance Level: Water Resistant


Sport Type: Fitness, Running


Human Interface Input: Touchscreen


Supported Application: Calendar


Water Resistance Depth: 50 Meters


Supported Satellite Navigation System: GPS


Controller Type: IOS


Metrics Measured: optical, stress, skin temperature


Shape: Apple,Heart


Style Name: Classic


Color: black


Band Color: black


Screen Size: 1.4 Inches


Display Type: OLED


Resolution: 390 x 390


Compatible Devices: Smartphone


Compatible Phone Models: All current Android and iOS smartphones


Memory Storage Capacity: 1 GB


Brand: Fitbit


Model Name: Sense


Target Audience: Unisex Adults


Age Range Description: Adult


Model Number: FB512BKBK-FRCJK


Built-In Media: Fitbit Versa 3, Classic wristband (both small & large), Charging cable


Wearable Computer Type: Smart Watch


UPC: 811138036997


Manufacturer: Fitbit


Battery Cell Type: Lithium Polymer


Battery Average Life: 12 Hours


Connectivity Technology: Bluetooth


Wireless Compability: Bluetooth


Wireless Provider: du


Communication Feature: Bluetooth, Cellular


Item Weight: 30 Grams


Item Dimensions: 1.59 x 1.59 x 0.48 inches


Item Dimensions D x W x H: 0.49"D x 1.59"W x 0.49"H


Warranty Type: Limited


Waterproof Rating: X7


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jul 31

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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Top Amazon Reviews

    • Great quality
It works great. Good weight. Great on step count.readability super. Phone and message. Really clear
Reviewed in the United States on June 12, 2026 by Janette
    • A Game-Changing Health Companion!
Wow! The Fitbit Sense Health & Fitness Smartwatch has been an absolute game changer for me. It's like having a personal health coach right on my wrist! This smartwatch has taken my health tracking to a whole new level. I'm thrilled by the amount of vital information it provides. From heart rate monitoring to sleep tracking, it's got it all. I love how I can now understand my body better and make informed decisions about my health. What sets this smartwatch apart is its ability to manage stress. It's incredible how it detects stress levels and offers guided breathing exercises to help me relax and find balance. It's like having a little Zen master right there with me! The design is sleek and stylish, and it's so comfortable to wear. I forget I even have it on! The battery life is impressive too, lasting for days on a single charge. Plus, the GPS feature is a game changer for tracking my outdoor workouts accurately. Syncing with the Fitbit app is a breeze, and the interface is user-friendly. I love how I can customize my goals and receive personalized insights and motivation. It's like having a cheerleader on my wrist, pushing me to be my best self! In conclusion, the Fitbit Sense Health & Fitness Smartwatch has revolutionized my health journey. It's an exciting and invaluable tool that has transformed the way I approach my well-being. If you're serious about taking charge of your health, don't hesitate to get this amazing smartwatch. Trust me, you won't regret it! ... show more
Reviewed in the United States on June 14, 2023 by IamMarkyMarc
    • Ordered 4 and had to return all. Heart rate monitor not accurate with software. AVOID. Ordered 4 and had to return all. Heart rate monitor not accurate with software. AVOID.
Review Image by Gilford S.
Review Image by Gilford S.
I have order 4 of the Fitbit Sense 1 watches and had to return all of them. This watch is obsolete likely due to Fitbit not updating it's software to operate correctly with legacy products. There are many know problems with this watch and they are likely the reason Fitbit created the Sense 2. 1) The button designed to pull you back to the home screen rarely works. 2) The heart rate monitor is wildly inaccurate which leads to inaccurate measurements with exercise, sleep and the other cardio functions. The screen shots are of stairmaster sessions I had. I wore a chest strap heart rate monitor and that device showed my heart rate moving from about 100 to 150 in a linear path. At no point did my heart rate drop more than a few beats. You can see the Fitbit charts depict an implausible scenario. This has been the case with all 4 of the Sense watches I have had. I have followed suggestions found on the internet Appling water between the watch and my skin; wearing the watch tighter, looser, over the wrist and under the wrist. None of these things make a difference. It's extremally likely that Fitbit is making software updates without ensuring that the updates are compatible with their legacy products. This happens with most software companies and it appears to be the case here. If you are going to order a Fitbit product order the current model if you expect it to work as intended. At a minimum, stay away from the Sense 1. ... show more
Reviewed in the United States on May 23, 2023 Reviewed in the United States on May 23, 2023 by Gilford S.
    • great watch/fit bit for the buy
Great watch and Fitbit, I use it mainly for my blood pressure but it has other futures that very useful
Reviewed in the United States on April 6, 2026 by robert carter
    • Good device but setup is frustrating
This watch has a lot of features. The main problem is getting them set up. Better instructions would be a big plus. Often, instructions were written for a slightly different watch. The differences will drive you crazy. Getting the watch to sync with a phone or IPad proved challenging but Blue Tooth always is. Lots of permissions are required and many of them are hard to find. Syncing with updated data is a bit hit or miss. Having said all this, it is a good device. I bought it for its ability to detect AFIB. So far, it hasn’t detected any. This is good news for me if it is correct. I don’t know how to verify its accuracy. This is a bit concerning. Things I wish it could do (but can’t) are: - Being able to log weight directly on the watch. - Being able to identify event times on the sleep screen - Being able to use a full watch protective cover and still do AFIB checks ... show more
Reviewed in the United States on June 17, 2026 by Steve harper
    • Love it
Had a fitbit sense that fell apart after having it forever. Had to get another one. Love how it links to mh phone.
Reviewed in the United States on April 19, 2026 by K. morrow
    • Broken screen after four and a half days of use. Broken screen after four and a half days of use.
Review Image by Liz
In order to use the paid premium features for my diabetes and other medical issues I am tracking, the watch needs to be charged every other day. Unfortunately, the screen cracked on day five. I honestly don't know why this design defect is even a thing. The screen rises above the edge of the face of the watch. There is no buffer for if it hits anything. I wasn't even at work or anything where I would expect damage to something on my wrist. I am home recovering from spinal surgery. I'm barely walking and still managed to break this watch. I would not recommend this fitbit. It is obviously not able to hold up to daily wear for something that is supposed to be worn constantly. Edit: I attempted to use this fitbit, even without use of the screen, but the Bluetooth function has stopped working after six months even after going through troubleshooting and reinstalling. Without syncing the information, I have no way to access anything on my fitbit. ... show more
Reviewed in the United States on June 25, 2023 Reviewed in the United States on June 25, 2023 by Liz
    • Keep coming back
I will say I have purchased this watch 3 times. Every 18 approximately it stops taking a charge. But while it works it is great. This time I purchased the warranty so when or if this happens again I should be covered. I will say after the second time I did buy a different watch but it did not compare to this one. Price is decent and the size and weight is very similar to an ordinary watch. I like the notifications for calls and move. ... show more
Reviewed in the United States on October 24, 2024 by Margena Floyd

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