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Introducing Fitbit Sense
by Fitbit Staff

The Advanced Health Smartwatch Featuring Innovation in Stress Management, Heart Health, and Wellness

Introducing Fitbit Sense, our most advanced health smartwatch, with innovative new sensors, like the world’s first electrodermal activity (EDA) sensor to help manage stress, along with advanced heart rate tracking technology, new ECG app1 and an on-wrist skin temperature sensor,2 all powered by 6+ days’ battery life.3 Plus it comes with a free 6-month Premium trial4 for even more insight into your stress, new mindfulness content, and a new Health Metrics Dashboard5 to help you track key trends in your health and wellbeing, like heart rate variability (HRV), breathing rate, and oxygen saturation (SpO2).6

Keep reading to find out more about this truly one-of-a-kind experience right on your wrist. 


State-of-the-Art Stress Management Experience 

Stress is a global issue, with one in three of people experiencing a lot of worry or stress, as well as psychological and physiological symptoms caused by stress.7 And, over time, if unmanaged, the physical strain from chronic stress can have negative health impacts including an increased risk of obesity, type 2 diabetes, and cardiovascular disease.

Sense is the first smartwatch to feature an electrodermal activity (EDA) sensor to help you manage your stress and is paired with a new, multifaceted in-app stress management experience that aims to educate, assess, and manage your stress over time. The comprehensive experience includes an EDA Scan app and guided mindfulness sessions, a daily Stress Management Score, and new mindfulness content. Reflections keep track of your emotional well-being by reporting on your mood, from Very Calm to Very Stressed, to help build awareness of how you are feeling over time.

EDA Scan App on-wrist. After starting a session on the EDA Scan app on Sense, stay still and cover the watch with your palm to detect your body’s response to stress, measured by small electrical changes in the sweat level of your skin. Measuring your EDA responses can help you understand your body’s response to stressors and help you manage your stress. You can do a quick EDA Scan session on device to see your responses, or pair it with guided mindfulness sessions in the Fitbit app to see how your body responds during meditation or relaxation. At the end of your session, you will see an EDA response graph on-device and in the mobile app8 to gauge your progress over time and reflect on how you feel emotionally. 

Reflections on your stress. You’ll get prompted to log your mood after mindfulness sessions and once during the day (you’ll need to opt-in for the daily reminder). This new feature will help you build an awareness of your emotional states, as well as give you an understanding of when you feel your best. You always have the option to reflect on your stress within the new Stress Management Tile, a new tile exclusive to Fitbit Sense, built to help users learn to manage their stress.

Stress Management Score. In the stress management tile, you’ll find your Stress Management Score, which helps you understand if your body is showing signs of stress on a daily basis. Your score ranges from 1 to 100—a higher number means you’re showing fewer physical signs of stress. It’s calculated based on three metrics: responsiveness (how much strain your body is under), exertion balance (impact of your activity), and sleep patterns (how well you’ve been sleeping).

New Mindfulness tile in-app. Available to all users,the new Mindfulness Tile will focus on giving you the tools to build a mindfulness practice by recommending guided breathing, meditation, and yoga sessions. Plus, it’ll track your Mindful Minutes—or amount of time spent on mindfulness sessions—and celebrate your Mindful Minute streaks.  And with Premium, you’ll get 100+ guided meditations and audio tracks to calm your mind day or night, including four additional sessions designed specifically with your EDA Scan app.  

New Heart Health Features 

Heart rhythm assessment with the Fitbit ECG app. The compatible ECG app on Fitbit Sense assesses a user’s heart rhythm for signs of atrial fibrillation (AFib)—a heart rhythm irregularity9 that  affects more than 33.5 million people globally.10 Simply hold your fingers on the corners of the stainless steel ring around the watch while being still for 30 seconds to receive a reading that can be downloaded to share with your doctor (available in the assessments and report section of your profile).

High and low heart rate notifications. Fitbit’s new PurePulse 2.0 technology, with an all-new multi-path heart rate sensor and updated algorithm, powers another critical heart health feature—personalized, on-device high and low heart rate notifications.11 With 24/7 continuous heart rate tracking, Fitbit Sense can detect and send a notification if your heart rate is outside of your thresholds.12 While many factors can affect your heart rate, like stress or temperature, a high or low heart rate may be an indication of a heart condition that requires medical attention, such as bradycardia (heart rate that is too slow) and tachycardia (heart rate that is too fast).13

Tune Into Your Body with New Health Metrics

On-wrist skin temperature sensor.14 Sense is our first device with an on-wrist skin temperature sensor to help you discover when there are variations from your baseline. Understanding your skin temperature variations may help you identify changes to your body, such as the potential onset of a fever or ovulation.

If you want to see how your skin temperature varied throughout the night, your Premium membership unlocks minute-by-minute skin temperature analysis. 

Oxygen saturation (SpO2) monitoring.15 Our bodies distribute oxygenated blood to every part of our body—and SpO2 is the level of oxygen in your blood. With the SpO2 clock face, your Fitbit Sense will track your average SpO2 levels while you’re sleeping. With a Premium subscription, you can then track your trends over time in the Health Metrics dashboard within the Fitbit app to see when there may be indications of important changes in your fitness and wellness. 

Coming Soon: Health Metrics dashboard. The Fitbit app now helps you track even more health metrics—not just skin temperature and SpO2, but also breathing rate, resting heart rate, and heart rate variability—important information that can help you uncover trends and changes to your well-being. The new dashboard will be available soon with Fitbit Premium, and is included with your free 6-month Premium trial.4

Access to Advanced Insights 

6-month Fitbit Premium trial.4 Sense includes a 6-month trial of Fitbit Premium so you can discover patterns and insights from your Fitbit data and get personalized guidance to reveal a healthier, stronger you. Read more about what’s included in your Fitbit Premium membership here

Other Standout Features 

On Fitbit Sense, you can expect everything you love about Fitbit, including 6+ days battery life16; water resistance up to 50 meters; step and distance tracking with built-in GPS; sleep tracking and insights (like Sleep Score); 24/7 heart rate tracking; Active Zone Minutes; 20+ exercise modes; text, call, and app notifications; and on-wrist apps, like Find My Phone. 

Plus, exciting news for those who love the convenience of a voice assistant on your Fitbit watch: You can now manage your routine with the choice of Google Assistant or Amazon Alexa Built-in.17 Use your voice assistant to support your active lifestyle: start a Fitbit Exercise on-wrist, find the nearest gym, even learn the nutritional value of an avocado.

Leading Edge Design 

Biosensor core. Temperature, heart rate tracking, and SpO2 tracking all take place in this powerful, water-resistant (up to 50 meters) hub on the back of your new Fitbit Sense. 

The new biosensor core fuses glass and metal into a single, waterproof plate—an advanced process that’s used on aircraft and submarines. 

Premium materials. Our first device to feature a stainless steel frame, Sense not only has a premium look, but these materials serve an important role by functioning as electrodes for the biosensor core. The stainless steel frame serves as a qualified input for the compatible Fitbit ECG app to assess your heart rhythm for signs of AFib.

Infinity band. This new flexible infinity band is sleek, low profile, light, and comfortable. Plus, it looks like the future, doesn’t it? 

Get Your New Fitbit Sense Today 

Fitbit Sense is available for presale today for $329.95. It’s available in lunar white/soft gold and carbon/graphite. 

Four classic bands—lunar white, black, pink clay, and midnight—are available for $29.95. Five sport bands—grey/mint, melon/rose, sapphire/fog grey, black/lunar white, and evergreen/lunar white—are available at $34.95 each. 

Accessories range from $29.95 to $49.95, including the woven band in charcoal; camo band; and Pendleton Designer Collection woven bands in blue/grey Canyonlands and blue/pink Basket Maker. 

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  1. FDA review of compatible ECG app pending; only available in the US upon clearance. Availability outside the US pending applicable regulatory clearances including approval under Directive 93/42/EEC (the Medical Device Directive). The ECG app has not yet received a CE mark and will not be marketed, put into service or otherwise made available in the EU until it has obtained regulatory approval. Not intended for use by people under 22 years old. See here for more details.

  2. Not available in all markets.

  3. Battery life varies with use and other factors. 

  4. Trial available only for new Premium users. Valid payment method required. Free trial must be activated within 60 days of device activation. Cancel before free trial ends to avoid subscription fees. See full terms & conditions here. Content and features subject to change. 

  5. Coming soon. The Health Metrics dashboard and the metrics displayed in the dashboard are not available in all countries. Breathing rate, resting heart rate, and heart rate variability Health Metrics are available with Fitbit Charge 3, Charge 4, Inspire 2, Inspire HR, Ionic, Versa family, and Sense devices; the previously listed health metrics as well as SpO2 and skin temperature are available with Ionic, Versa family, and Sense devices only. Not intended for medical purposes. This feature is not intended to diagnose or treat any medical condition and should not be relied on for any medical purposes. It is intended to provide information that can help you manage your well-being. If you have any concerns about your health, please talk to a healthcare provider. If you believe you are experiencing a medical emergency, call emergency services.

  6. Not available in all markets. This feature is not intended to diagnose or treat any medical condition or for any other medical purpose. It is intended to help you manage your well being and keep track of your information.

  7. Gallop 2019 Global Emotions Report, source: “More than one in three people said they experienced a lot of worry (39 percent) or stress (35 percent), and three in 10 experienced a lot of physical pain (31 percent). At least one in five experienced sadness (24 percent) or anger (22 percent).”

  8. Access responses in the mindfulness tile in the Fitbit app; EDA response graph on-device only after quick scan session.

  9. FDA review of compatible ECG app pending; only available in the US upon clearance. Availability outside the U.S. pending applicable regulatory clearances including approval under Directive 93/42/EEC (the Medical Device Directive). The ECG app has not yet received a CE mark and will not be marketed, put into service or otherwise made available in the EU until it has obtained regulatory approval.

  10. Chugh S, Havmoeller R, Narayanan K, Singh D, Rienstra M, Benjamin E, Gillum R, Kim YH, McAnulty Jr JH, Zheng ZJ. Worldwide Epidemiology of Atrial Fibrillation: Global Burden of Disease 2010 Study. Circulation. 2014; 129: 837-847.

  11. This feature is not intended to diagnose or treat any medical condition. It is intended to simply help you monitor and keep track of your information.

  12. Heart rate notifications are sent after you appear to be inactive for at least 10 minutes. 

  13. American Heart Association. Bradycardia (via heart.org). Tachycardia: Tachycardia (via heart.org).  

  14. Not available in all markets. Significant changes in ambient temperature may negatively impact skin temperature tracking.

  15. Not available in all markets. This feature is not intended to diagnose or treat any medical condition or for any other medical purpose. It is intended to help you manage your well being and keep track of your information.

  16. Battery life varies with use and other factors.

  17. Voice assistant availability and features may vary.

This information is for educational purposes only and is not intended as a substitute for medical diagnosis or treatment. You should not use this information to diagnose or treat a health problem or condition. Always check with your doctor before changing your diet, altering your sleep habits, taking supplements, or starting a new fitness routine.