The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.
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The Apple Watch's Blood Oxygen Monitor Is Back
Big news, Apple Watch fans: The blood oxygen monitor is back. Apple made the announcement in a short press release on Thursday. The company says the feature is "redesigned," and will roll out to ...
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