Earlier this month, tech sites spotted a patent for an ambitious Fitbit smart ring, built to track blood pressure, glucose, lipids, hemoglobin, and your diet, plus the usual essentials.
and Fitbit, were attractive enough for me to wear all day every day, to everything from the gym to a wedding. But the Oura ...
Wearable health-tracking devices are everywhere. Ellie Muir tests out the Fitbit to the Hollywood elite, the Oura ring, in ...