Everything new coming to the Apple Watch. WatchOS 7:
Bigger battery, SpO2 tracking and all the new features we’re expecting in Apple’s new smartwatch.
Samsung’s new smartwatch has a premium design and an impressive list of health features, but not all of them will be ready at launch. You can...
If you’re short of breath, a pulse oximeter could tell you if your blood oxygen levels are getting dangerously low. But can a Galaxy phone or...