Masimo originally sued Apple over the blood oxygen monitoring feature in January of 2020. According to Masimo, Masimo and ...

Thanks to new OS updates rolling out now, you can once again use your Apple Watch to measure the oxygen level in your blood.

The feature was removed on select smartwatches due to a patent-infringement lawsuit, but Apple has “redesigned” it.

Masimo CEO Joe Kiani later expressed concern that Apple may have been trying to steal the company’s blood oxygen sensor technology.

Apple initially rolled out the blood oxygen monitor with the Apple Watch Series 6, as a way for users to both passively and actively monitor their blood oxygen levels throughout t ...

The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a ...

Angus Gray/Unsplash If you bought an Apple Watch Series 6, 7, 8, or 9 before Jan. 18, your watch came with a blood oxygen sensor. Many people found this really helpful during the COVID-19 pandemic.

One of the most helpful features on Apple Watches, blood oxygen tracking, remains MIA on watches sold after January. Here's why the situation won't change soon.

In October, the US International Trade Commission ruled that Apple was in violation of a pulse oximeter patent, which uses light-based technology to read blood-oxygen levels.

Apple wants to overturn the court's decision on the Apple Watch's blood oxygen sensor ban after Masimo got its win.