The Apple Watch’s SpO2 sensor that allows wearers to measure their blood oxygen levels was impressive when it first debuted, but it may be even more accurate than initially marketed. According to a ...

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Apple removed blood oxygen monitoring from the Apple Watch in early 2024. Somebody has to blink for it to return, and it looks like neither Masimo nor Apple are going to budge. Blood oxygen monitoring ...

The Apple Watch Series 11 tops our list of the best smartwatches for sleep tracking in 2026, with FDA-cleared apnea screening ...

Photo: David Snow/Cult of Mac A judge in Washington, D.C., ruled Tuesday that Apple infringes on one of medical device maker Masimo’s patents for light-based pulse oximetry sensor functionality and ...