How to use the Apple Watch 6 Blood Oxygen app

The Apple Watch blood oxygen app, available to those with the Apple Watch Series 6, can be used to administer at-home SpO2 readings. Similar to finger-based pulse oximeters, Apple’s flagship smartwatch can give you a sense of your body’s oxygen saturation without you needing to get your blood drawn in a lab.

Many of the best smartwatches also offer blood oxygen readings, but the Apple Watch is the most popular of the bunch. And as the Series 6’s exclusive feature, you might be wondering how to use the Apple Watch Blood Oxygen app if you’ve recently acquired Apple’s latest flagship.

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