Google got here late to the smartwatch recreation and had a rocky begin with its first Pixel Watch in late 2022. Nevertheless, the corporate greater than redeemed itself with the Pixel Watch 2, a worthy successor that proved Google was able to be a contender towards extra established gamers like Apple and Samsung. Then, it hit it proper out of the park with the Pixel Watch 3, incomes prime place among the many greatest smartwatches.
Not solely does the Pixel Watch 3 ship distinctive battery life, glorious {hardware}, and an affordable price ticket, but it surely additionally packs in best-in-class well being options, together with a giant one which even Apple and Samsung have but to match: Lack of Pulse Detection.
Like many revolutionary smartwatch well being options, Lack of Pulse Detection had a sluggish begin since Google needed to watch for regulatory approval. Whereas Google introduced it alongside the Pixel Watch 3 in August, it wasn’t obtainable in any respect till September, and that was solely within the EU. It took till February to get clearance from the U.S. Meals and Drug Administration (FDA), and started rolling out to customers within the U.S. earlier this month.
However, it is nonetheless a function you will not discover on some other smartwatch — at the very least not but. We’re certain Apple and Samsung are engaged on including this to their very own next-generation wearables, however for now, Pixel Watch 3 customers are lucky to have entry to this distinctive and doubtlessly life-saving function. This is every part you’ll want to learn about it.

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What’s Lack of Pulse Detection?
Whereas coronary heart fee monitoring has been a core well being function of practically each smartwatch launched previously decade, Lack of Pulse Detection is a type of issues that is so apparent looking back that you must marvel why Apple or Samsung did not consider it first.
Because the title suggests, the Pixel Watch 3 can detect the absence of a pulse whereas it is being worn in your wrist. It does this utilizing the identical optical sensors which might be used to measure your coronary heart fee. If no pulse is detected, your watch will routinely place a name to emergency companies. It should do that even in case you’re unconscious, enjoying an automatic message that shares your location and tells the operator that it might probably’t detect a pulse and also you’re unresponsive.
Whereas this seems like a recipe for false alarms, the Pixel Watch 3 will do its greatest to be sure you’re truly unresponsive earlier than inserting the decision. It begins by softly vibrating, and in case you transfer your arm or your pulse is out of the blue detected once more, the decision will likely be cancelled because it assumes you are okay. Google notes that these “check-ins” can occur throughout your regular each day actions when the heartbeat sensor cannot get a superb studying, which is why they’re routinely dismissed as quickly as movement or a pulse is detected. You too can faucet “I am OK” to dismiss the check-in.
Nevertheless, after 15 seconds of no pulse and no motion, the Pixel Watch 3 will start a 20-second countdown whereas enjoying a really loud sound. At that time, you may must manually cancel the decision by tapping the “X” on the display screen to verify that you just’re acutely aware and it isn’t truly an emergency.
If the Pixel Watch 3 finally ends up calling emergency companies, the automated message may also be interrupted by you or anyone else close by by tapping on the display screen to allow them to speak to the emergency operator straight.

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Learn how to activate Lack of Pulse Detection
Lack of Pulse Detection is not enabled routinely on the Pixel Watch 3. That is presumably as a result of Google needs to be sure you perceive the function and know the way it works. Fortuitously, it is simple to allow. This is how:
Step 1: First, be sure you’re operating the newest model of WearOS in your Pixel Watch 3 and the Google Pixel Watch app in your paired smartphone is updated. You will want at the very least Put on OS 15.1 with Private Security app replace 2025.03.19.x.
Step 2: Open the Google Pixel Watch app in your cellphone.

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Step 3: Select Security & emergency.
Step 4: Choose Lack of Pulse Detection. If this selection would not seem, be sure you’re bodily positioned in a area the place Lack of Pulse Detection is offered (see under for a listing of supported areas) and make sure you are operating the newest variations of the Private Security app in your watch and the Pixel Watch app in your cellphone.
Step 5: Comply with the on-screen directions to allow the function. You might be prompted to signal into Private Security along with your Google Account throughout the setup course of if you have not already completed so. That is necessary to make use of Lack of Pulse Detection.

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Step 6: As soon as Lack of Pulse Detection is turned on, your Pixel Watch 3 will instantly start monitoring for a lack of pulse everytime you’re carrying it. Nevertheless, it is also necessary to be sure you’re carrying it correctly to get the very best outcomes.

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Which units is Lack of Pulse Detection obtainable on?
Lack of Pulse Detection is offered solely on the Google Pixel Watch 3, and can presumably be included on future fashions of Google’s smartwatch. Google hasn’t mentioned something about bringing it to older Pixel Watch fashions, nor have their been any dependable rumors to this impact. This is not possible an arbitrary limitation on Google’s half; Lack of Pulse Detection requires a excessive diploma of reliability to keep away from false alarms, and the Pixel Watch 3 features a new superior multipath coronary heart fee sensor that is undoubtedly extra correct at constantly measuring your coronary heart fee.
Whereas Lack of Pulse Detection is offered on each the Wi-Fi and LTE variations of the Pixel Watch 3, it is necessary to notice that the Wi-Fi model will solely be capable to place emergency calls when it is in Bluetooth vary of your paired smartphone. Regulatory necessities within the U.S. require that each one cellular-capable units be capable to contact emergency companies even after they’re not linked to a plan, and this could prolong to the LTE Pixel Watch 3. The identical is true in Canada, a number of EU nations, the UK, Australia, and New Zealand, however some should still require that you’ve an lively plan.

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The place is Lack of Pulse Detection obtainable?
Based on Google, Lack of Pulse Detection is at present obtainable in Austria, Belgium, Denmark, France, Germany, Eire, Italy, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, the UK, and america. The corporate remains to be engaged on getting regulatory clearance in different nations, and has dedicated so as to add these to the checklist when the function has been cleared.
Nevertheless, it is necessary to notice that the supply of Lack of Pulse Detection relies on the place you are bodily positioned, not the place you bought your watch or registered your Google account. This implies you possibly can discover the function disabled once you’re in an unsupported area. For instance, in case you stay within the U.S. and journey to Canada, Lack of Pulse Detection will likely be briefly suspended throughout your go to. It will likely be routinely re-enabled as quickly as you come back to the U.S.