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Apple Watch Blood Oxygen Sensor Returns: How to Use It and What It Can Tell You About Your Health

Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...
Macworld

Apple Watch blood-oxygen feature returns in iOS 18.6.1 and watchOS 11.6.1

Early last year, Apple made the bold, court-mandated decision to remove the blood-oxygen feature from the Apple Watch Series 9 and Ultra 2 in the U.S. over a patent dispute with medical technology ...