How exercise I track blood oxygen saturation (SpO2) with my Fitbit device?

Your Fitbit device uses sensors to approximate your blood oxygen saturation (SpO2) while you slumber.

The Fitbit SpO2 feature is intended for general health purposes only and should not exist used or relied on for any medical purposes. Consult your wellness care professional almost any questions or wellness issues you may take.

ClosedWhat is SpO2?

Your blood oxygen saturation (SpO2) is the pct of your blood that's saturated with, or contains, oxygen. The oxygen levels in your blood tend to remain relatively constant, fifty-fifty during practise and slumber.

ClosedHow can I meet my SpO2 reading?

Add SpO2 to your Fitbit device

ClosedIonic, Sense, and Versa serial

To collect SpO2 data, install an SpO2 clock confront (bachelor on Ionic, Sense, and Versa serial) or the SpO2 app (bachelor on Sense and Versa 3).

To install an SpO2 clock face:

  1. With your Fitbit device nearby, in the Fitbit app, tap the Today tab then your profile picture then your device image.
  2. Tap Gallery then Clocks tab.
  3. Find the SpO2 clock face category. You lot might have to swipe up to observe information technology. Tap View All to see the complete listing of available clock faces.
  4. Tap the clock face you want to install then Install then Install.

The SpO2 clock faces are only available in certain countries at this time. If yous don't see them in the Gallery, the feature isn't available in your region. For more information on the availability of Fitbit SpO2, see fitbit.com.

If y'all accept trouble adding an SpO2 clock confront to your Fitbit device, make sure you update your watch to run the latest version of Fitbit Os. For instructions, see How exercise I update my Fitbit device?

To install the SpO2 app (Sense and Versa iii only):

  1. With your Fitbit device nearby, in the Fitbit app, tap the Today tab then your profile picture then your device image.
  2. Tap Gallery.
  3. Tap the magnifying glass icon and search for "SpO2 Tracker".
  4. In the results, tap SpO2 Tracker thenInstall then Install.

The SpO2 app doesn't announced as an app on your watch; instead, it runs in the background to rails your SpO2 information. View your results in the Fitbit app.

Note that your watch must be running Fitbit Bone 5.i or higher to install the SpO2 app. For more information on updating your watch, see How practise I update my Fitbit device?

See your nigh recent SpO2 levels on your device

ClosedIonic, Sense, and Versa serial

Run into your nightly SpO2 data on an SpO2 clock face:

  1. Article of clothing your Fitbit device to bed, and sync it in the morning.
  2. Check your clock face to run into your average SpO2 level and the range of values detected.

It may accept around an hour for your SpO2 values to appear on the clock face up after you sync your device. The clock confront shows data for your most recent sleep session. If your sleep session is split into 2 dissever logs or you take a long nap, the clock face updates to prove data for the nearly recent sleep session after your device syncs with the Fitbit app.

On Sense and Versa 3, you tin can likewise find your SpO2 information in the Today app:

  1. Open up the Today app on your lookout.
  2. Swipe up to observe the Oxygen Saturation tile. Yous come across your most contempo average resting SpO2 level.
  3. Tap the Oxygen Saturation tile to run into your SpO2 range and seven-mean solar day graph.

ClosedAccuse 4, Accuse five, and Luxe

  1. Wear your Fitbit device to bed. Wear your device securely so that the back of your device is in contact with your skin.
  2. In the forenoon, swipe upwardly from the clock face. See your average resting SpO2 level on the SpO2 tile.

Information technology may take around an 60 minutes for your SpO2 values to announced subsequently you wake upwardly. The SpO2 tile shows data for your most recent sleep session. If your sleep session is split into 2 separate logs or you take a long nap, the tile updates to show data for the near contempo sleep session.

Track your SpO2 trends in the Fitbit app

See your SpO2 trends in the Wellness Metrics tile in the Fitbit app on your phone. The Wellness Metrics tile is available with Fitbit Accuse 4, Fitbit Charge five, Fitbit Luxe, Fitbit Sense, Fitbit Versa 2, and Fitbit Versa 3. To see historical data, upgrade to Fitbit Premium. For other devices, a Fitbit Premium subscription is required to see health metrics data.

  1. Vesture your device for at least a full 24-hour interval, including to sleep at night.
  2. In the morning, open up the Fitbit app and tap the Health Metrics tile.
  3. Swipe up to find the Oxygen Saturation (SpO2) tile.

Line graph of a user's SpO2 trend over 30 days

Note that for Ionic, Versa, Versa Calorie-free Edition, and Versa ii, SpO2 information is just collected when you lot utilize an SpO2 clock face. For a listing of uniform SpO2 clock faces, see Add SpO2 to your Fitbit device. For Sense and Versa 3 yous can install either an SpO2 clock face or the SpO2 app to collect SpO2 data. Charge 4, Charge 5, and Luxe users must have the SpO2 app installed.

ClosedHow does my Fitbit device measure my SpO2 level?

Your Fitbit device measures your SpO2 levels while you sleep using red and infrared sensors on the back of the device. The sensors smoothen blood-red and infrared light onto your skin and blood vessels, and use the reflected light that bounces back to guess how much oxygen is in your claret:

  • Richly oxygenated blood reflects more red low-cal than infrared light.
  • Poorly oxygenated blood reflects more than infrared low-cal than red light.

Annotation that y'all might run into the red and infrared sensors continue to glimmer for around 30 minutes subsequently you wake upwardly.

ClosedWhat should I know about SpO2 values?

SpO2 values naturally vary, and dark SpO2 is normally lower than daytime SpO2 due to the fact that your animate rate is commonly slower during sleep. In general, SpO2 values during sleep are typically above 90%. The SpO2 values presented are an judge and in general tin be influenced by your activity, altitude, and overall wellness.

ClosedWhy did I receive a depression SpO2 value?

Y'all may notice an SpO2 value that seems lower than expected. This tin be due to:

  • Your arm position and movement
  • The position and fit of your Fitbit device
  • Limited blood period to the surface of the peel
  • Differences in anatomical body structures can also touch the accuracy of your Fitbit device'south sensors.

Several factors tin can bear upon your body's ability to maintain blood oxygen levels. These include, simply are not limited to, the following:

  • There must be enough oxygen in the air y'all are breathing.
  • Your lungs must be able to inhale air containing oxygen and exhale carbon dioxide.
  • Your bloodstream must be able to carry oxygen throughout your trunk.

An outcome with any of these factors could touch on your SpO2 values. For example, in high altitudes the air is less dense and therefore contains less oxygen. If you feel low SpO2 values while at loftier altitudes yous may want to consider descending to a lower distance.

Certain health issues tin also bear upon the torso's ability to take in oxygen. These factors can be compounded under more extreme circumstances such as during intensive practise.

You should not use or rely on the SpO2 reading on your Fitbit device for any medical purposes. If you have concerns about your health, y'all should consult your healthcare provider.

ClosedWhy didn't I receive SpO2 data?

If you see the message "SpO2 not installed" on your clock face, install the SpO2 Tracker app. For instructions, come across Add SpO2 to your Fitbit device.

If y'all see dashed lines on the clock face or SpO2 tile, a bulletin that the SpO2 information couldn't be read, or missing data in the Health Metrics tile in the Fitbit app on your telephone, go on in heed the following:

  • Your device doesn't retroactively measure your SpO2 values. When y'all start using Fitbit SpO2, you'll see dashed lines until after your adjacent sleep session.
  • You must get at to the lowest degree 3 hours of quality sleep. Data is only collected when yous're still. If you move a lot during your sleep or the slumber session is too brusk, y'all might non get SpO2 information.
  • Charge your Fitbit device to make sure it's able to collect information throughout your entire sleep session. Notation that yous may have to charge your Fitbit device more often when using an SpO2 clock face or app.
  • You must sync your Fitbit device with the Fitbit app before the clock shows your SpO2 information. Note that it may take around an hr for your SpO2 values to appear subsequently you sync your device. For troubleshooting syncing, see Why won't my Fitbit device sync?
  • Turning off any SpO2 clock confront or app permissions can cause the feature to stop functioning. For instructions on adjusting permissions, see How do I install and manage apps on my Fitbit device?
  • Your Fitbit device must be able to consistently rails your SpO2 data:
    • Wear your device slightly higher on your wrist.
    • Make sure your device is in contact with your peel.
    • Your device should be snug but not constricting.
    • Tattooed pare can touch on the accurateness of the red and infrared sensors on your Fitbit device.

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