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The Pixel Watch 3 has a new life-saving feature, and Google explains how it works
You're not alone.
If your Pixel Watch 3 does not detect your heart rate with its standard green light, it will activate its red-hued infrared sensors for an additional scan. (Image credit: Andrew Myrick / Android Central)Google states that it leveraged user research to limit "false positives" during the device's monitoring. Similar to Loss of Pulse, the company trained its algorithms on stunt doubles who threw themselves (repeatedly) so it could understand a true, life-threatening fall.
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