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The latest heart rate news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks heart rate across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

CNET Labs testing found the AirPods Pro 3 heart rate sensor averaged 1.67% error versus a Polar H10 chest strap, second only to the Apple Watch Series 11 at 0.98%. The earbuds beat every other smartwatch and fitness tracker tested. A peer-reviewed PLOS Digital Health study reported a 2.02% deviation across 40 adults.
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