Apple Watch Series 10, Series 9, and Ultra 2 recently got the Blood Oxygen measurement feature again in the US.

Medical tech company Masimo is suing US Customs and Border Protection (CBP) in an attempt to overturn the agency’s decision to allow Apple to restore the blood oxygen tracking feature on Apple Watches ...

After relaunching the feature in the US last week, a new lawsuit muddies the water for blood oxygen tracking on the Apple Watch.