The Samsung Galaxy Watch Ultra 2 arrives this July with a 35 percent larger battery, new metabolic health sensors, and a rugged titanium design.

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

From grip strength to VO2 max, are you fit for your age?

Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.