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How to use smartwatches and exercise bands to test blood oxygen saturation (SpO2): A brand-by-brand.

Updated: Apr 30, 2021

During this current pandemic, blood oxygen levels (SpO2) have been a vital component. Several smart bands and watchmakers have begun to introduce the functionality on their watches, keeping health issues in mind.

So, if you have a smartwatch or fitness band with a SpO2 measuring feature and aren't sure how to use it, keep reading. Then, here's our brand-specific guide to determining SpO2 levels on them. Continue reading:

Things to remember when using smart bands and watches to measure SpO2 levels:

  • Make sure your watch or bracelet is securely fastened to your wrist.

  • When checking your SpO2 amount, hold yourself and your hand still.

  • To get the best results, keep your hand on a flat surface.

  • Hair, tattoos, trembling, cold temperatures, and inappropriate clothing will also impair measuring outcomes.

How to use the Apple Watch Series 6's Blood Oxygen app?

If you haven't already, open the Health app on your iPhone and set it up. Then select the Browse option.

Then go to Respiratory ->Blood Oxygen ->Blood Oxygen Setup. After that, go to Apple Watch and test the SpO2 level with the Blood Oxygen app.

If the Blood Oxygen app isn't on your Apple Watch, look for it in the Apple Watch App Store and update it.

On Amazfit wearables, how can you test oxygen saturation (SpO2)?

To access the app list, swipe left on the dial interface. Then, to begin calculating blood oxygen saturation, click the blood oxygen application.

The result of the test will be shown on the watch after it has been taken.

On the Realme Watch, how do you check the oxygen saturation (SpO2)?

To begin the SpO2 calculation, go to the SpO2 page on Realme Watch and tap on the SpO2 option. The calculation result takes about 30 seconds to produce.

On Fitbit wearables, how do you calculate oxygen saturation (SpO2)?

Fitbit watches take SpO2 readings differently from most wearables. You'll need the most recent update of Fitbit OS, as well as a SpO2 clock face. Once you've activated it, take the steps below: It's as simple as setting the SpO2 clock face to itself. This can show information such as SpO2, heart rate, phase count, and floor count, among other things. The clock face also displays the average value from your most recent sleep session, as well as the highest and lowest values observed during that period.

This feature is available on the Iconic, Sense, Versa, Versa 2, and Versa Lite devices.

On Samsung wearables, how do you check your blood oxygen saturation (SpO2) level?

Galaxy Watch 3 is the only one that has this functionality. Open the Samsung Health app on your smartphone and pair your Galaxy Watch 2 to test SpO2.

Now, on your Galaxy Watch 3, open the Galaxy Health app and choose the Stress selection. To get the SpO2 amount, press the Measure button.

On Garmin wearables, how do you test blood oxygen saturation (SpO2)?

You should configure Garmin wearables to constantly measure SpO2 while sleeping. Take these guidelines to do so:

Pick the Garmin computer in the Garmin Connect Mobile app. Then choose Activity Tracking from the drop-down menu. Then choose Pulse Ox Sleet Tracking from the Pulse Ox menu.

On Huawei and Honor wearables, how do you check your blood oxygen saturation (SpO2) level?

Pick the computer in the Huawei Health system. Allow it under Health surveillance -> Automatic SpO2 measurements. Following that, the system can keep track of your SpO2 level automatically.

You can also manually check the SpO2 level by going to the SpO2 button and clicking it.


To help their work, Newsmusk allows writers to use primary sources. White papers, government data, initial reporting, and interviews with industry experts are only a few examples. Where relevant, we also cite original research from others respected publishers.


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