Fitbit users were surprised with an added feature on their wearable this week — the ability to check the variability of oxygen levels in their bloodstream.
Users with any of Fitbit’s Sp02-enabled devices can now access an Estimated Oxygen Variation graph. The Sp2 devices include the Charge 3, Ionic, Versa, Versa Lite and Versa 2, according to Fitbit officials.
The update, which was confirmed to...
