Estimated Oxygen Variation suddenly showed up in my Versa 2 today. But how can we make interpretations and use of it is a question that begs an answer. : r/fitbit
Estimated oxygen variation graph: when to see a do... - Fitbit Community
Fitbit beats Apple to oxygen variation monitoring
Solved: Estimated Oxygen Variation - Page 28 - Fitbit Community
Solved: Estimated Oxygen Variability is live :D - Fitbit Community
How to use your Fitbit to monitor your blood oxygen levels - The Verge
Fitbit's new Estimated Oxygen Variation graph goes live
How to enable the SpO2 monitor on your Fitbit | iMore