Tucked away in some Garmin watches is a sensor that enables continuous blood oxygen monitoring, a feature the company refers to as ‘Pulse Ox’. You may have seen the feature appear in menus or in ...
BERLIN—The Garmin Vivosmart 4 is a wearable fit for a vampire. Unlike most regular fitness trackers—which settle for tracking heart rate, activity levels, and sleep patterns—the Vivosmart 4 unveiled ...