Apple Inc. is restoring the blood oxygen tracking feature on its smartwatch in the US following a years-long legal fight.

After 18 months, Apple is bringing a redesigned Blood Oxygen feature back to the Apple Watch Series 9, Series 10, and Ultra 2 in the United States, but the experience is different.

Apple will bring a blood oxygen measurement feature to some of its watch models via a software update after receiving approval from the U.S. government amid a protracted legal dispute over the technology,