Blood Oxygen feature is no longer available in the Apple Watch
Blood Oxygen Feature now officially gone from Apple Watch Series 9 and Ultra 2
This Feature gone from Apple Watch due to patent dispute
between Apple and medical tech company Masimo
According to court's decision, Apple cannot sell and import its latest Apple Watch variants in the U.S.
Apple redesigned the new variants. In new variants Apple removed pulse oximeter from their watch
According to Macrumors, new Apple Watch still have Blood Oxygen app,but it won't work
Court's verdict applies to the U.S., it means Watch sold outside the U.S. will work properly
Apple has appealed the court's decision, If Apple's appeal in court is successful, this feature may be introduced again in U.S.