As of this week, all Fitbit Charge 3, Ionic, Versa, Versa Lite, and Versa 2 users will be able to use the recently announced Estimated Oxygen Variation graph in the Fitbit app. This feature has ...
One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation – and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen can be ...
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