Oura Ring 4 Review: Is This the Ultimate Smart Ring?
Smart rings have been getting better year after year, and Oura has quietly built a reputation …
blood oxygen monitoring
iOS 18.6.1 Update Restores Apple Watch Blood Oxygen Feature
In mid-August 2025, Apple rolled out iOS 18.6.1 alongside watchOS 11.6.1—a modest-looking update that quietly fixed …