Google Rolls Out Life-Saving Pulse Detection Feature to Pixel Watch 3 in the US

The FDA-cleared Loss of Pulse Detection feature, which automatically contacts emergency services if no pulse is detected, is gradually reaching US users after months of availability in Europe.

• The Loss of Pulse Detection feature is now rolling out to US Pixel Watch 3 users as part of a gradual update expected to complete in the coming weeks.
• This feature uses advanced heart-rate sensors and algorithms to detect the absence of a pulse and alert emergency services if the wearer is unresponsive.
• The rollout follows FDA clearance in February 2025, a key milestone enabling its US release after months of availability in European markets.
• Google validated the feature through over 100,000 hours of testing and published a peer-reviewed study in Nature to ensure reliability and minimize false alarms.
• Users must opt into the feature through their watch settings or a notification prompt, with updates requiring the latest version of the Wear OS app.

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