AirPods Can Measure Your Heart Rate, but Are They Accurate?

My hair is soaked. Sweat pours down my face. Pedalling madly at my first-ever cycling class at age 63, I am exhilarated and appalled. This is what vigorous exercise feels like?

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One of the flagship additions to the AirPods Pro 3 was a built-in heart-rate sensor, which allows users to track more than 50 workout types. But how accurate is it?

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That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...