Healthcare&WellnessNewsTechnologyWT | Member Fitbit Adds Blood Oxygen Monitoring (SPO2) in its Versa, Charge, and Ionic Device By Cathy Russey - 20. January 2020 Fitbit Charge 3 (Image: Fitbit) If you own a Fitbit Charge 3, Ionic, Versa, Versa Lite, or Versa 2, you are very likely seeing blood oxygen saturation data appear in the app. The app will […] To access this page, watch the live stream and videos on-demand, you must purchase the Free Subscription, Premium Subscription or Premium Subscription (6 months, special rate).