Existing Fitbit trackers get blood oxygen monitoring, may soon detect sleep apnea

Fitbit's Ionic smartwatch was the brand's first product to feature an SpO2 sensor, which is used in estimating blood oxygen levels. Several other Fitbit products, namely the Versa, Versa Lite, Versa 2, and Charge 3, came with a similar sensor, but it had stayed dormant until December. After being tested with a few users, the feature appears to be rolling out more widely.

Fitbit recently added an "Estimated Oxygen Variation" graph to sleep data in its app, showing important oxygen saturation variations while you're snoozing, but not throughout the rest of the day.

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Existing Fitbit trackers get blood oxygen monitoring, may soon detect sleep apnea was written by the awesome team at Android Police.

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