The Apple Watch’s SpO2 sensor that allows wearers to measure their blood oxygen levels was impressive when it first debuted, but it may be even more accurate than initially marketed. According to a ...

Overview:  Modern smartwatches like Garmin Venu 4 and Apple Watch Series 10 track heart rate and SpO₂ with impressive accuracy, keeping your fitness and we ...

Megan Cerullo is a New York-based reporter for CBS MoneyWatch covering small business, workplace, health care, consumer spending and personal finance topics. She regularly appears on CBS News 24/7 to ...

Smartwatches can measure everything from heart rate to sleep quality, but one health metric has become particularly relevant over the past two years: blood oxygen saturation. Two of the world's ...

Apple announced one of its most long-awaited new features for the Apple Watch series at its recent iPhone 17 family launch event: Apple Watch blood pressure alerts. Apple Watch owners will be able to ...

Ultra smartwatches are no longer just fitness trackers; they’re built as rugged companions for extreme workouts, outdoor ...

The Apple Watch Series 11 and Ultra 3 are among the latest additions to the Apple Watch lineup, so how do they compare? Both the Apple Watch Series 11 and the Apple Watch Ultra 3 feature hypertension ...