SpO2 Tracker
2 devices
Available to install from
the Fitbit mobile app

​Track your blood oxygen saturation while you’re sleeping and see in the Health Metrics tab on the Fitbit app. To install the SpO2 Service app, your watch needs to run Fitbit OS version v128.4.15 or later. ​

What to expect:

Once you install the SpO2 Service app, wear your Fitbit device to sleep. After you wake up, go to the Fitbit app and sync your Fitbit device. To see your SpO2 data, tap on the Health Metrics tab.

Please note that after you successfully install this app, it will not appear on your Fitbit device. The app will run in the background.

This app will not show your SpO2 value on your Fitbit device. To see an on-wrist SpO2 value, please select one of the clock faces from the SpO2 category in the Clock Face gallery.

You should know:

By selecting this app, you authorize Fitbit to use your heart rate, sleep, SpO2, and other data to show you metrics like your blood oxygen saturation levels. You can always uninstall this app, or delete your health metrics data or your account at any time.

Fitbit SpO2 does not measure or display SpO2 values lower than 80%. Any measurement that is lower than 80% will be displayed as “<80%”. 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.

This feature requires more frequent charging.

For more information about this app, please refer to our manual.


categoryBy Fitbit
offered byFitbit

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