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Tune in to your body with Fitbit Health Metrics

The Fitbit app and smartwatches make it easy to track health metrics like SpO2, skin temperature and more to uncover trends and changes to your well-being.*

See your health metrics all in one place

Get a closer look at your oxygen saturation (SpO2), skin temperature variations and more, all on your Health Metrics dashboard—available with a Premium membership.

Understand your SpO2 levels

While it may sound like the name of a sci-fi character, SpO2 actually refers to the oxygen levels in your blood. With the free SpO2 clock face, your Fitbit smartwatch will track your nightly average SpO2 levels. Then, you can use Fitbit Premium to track your trends over time and see when there may be indications of important changes in your fitness and wellness.

Uncover your skin temperature variations

Tracking skin temperature variation can be a helpful way to uncover changes to your well-being—from major hormone changes to potential signs of fever or illness. Automatically measure your skin temperature variation with your Fitbit smartwatch and see trends in the app with Premium. Plus, Sense users with Premium can even see minute-by-minute variation.**

Learn more from your breathing

Breathing rate is your average breaths per minute. As a Premium member, when you wear your Fitbit watch or tracker to sleep you can automatically track your breathing rate, then see your trends over time on your Health Metrics dashboard.

Know your heart on another level

The heart rate tracking feature on your Fitbit watch or tracker automatically measures the variation of time between each heartbeat—known as heart rate variability (HRV)—along with your resting heart rate and sends your stats to the Fitbit app. Then, as a Premium member you can use the Health Metrics dashboard to view any significant changes that can help you understand if your body is showing potential signs of stress, illness or fatigue.

Unlock the power of health metrics with Fitbit Premium



*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 metrics are available with Fitbit Charge 3, Charge 4, Inspire 2, Inspire HR, Ionic, Versa family and Sense devices; Breathing rate, resting heart rate, heart rate variability, skin temperature variation and SpO2 are available with Ionic, Versa family and Sense devices only.

The Health Metrics dashboard and the individual metrics are 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.


**Significant changes in ambient temperature may negatively impact skin temperature tracking.