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Google Hardware

The Pixel Watch 2 Adds New Sensors, Longer Battery Life, and Better Accuracy (theverge.com) 12

Alongside the Pixel 8 and Android 14, Google today launched the new Pixel Watch 2 -- a $350 second-gen smartwatch featuring a faster processor, overhauled sensor array, and longer battery life. The Verge reports: At a glance, the main difference is that the screen sits flush with the digital crown, where the original had a slight cutout. Another change imperceptible to the naked eye: the body is now made of 100 percent recycled aluminum instead of stainless steel. The result is a slightly lighter watch, but not by much. The Pixel Watch weighed 36 grams, while the Pixel Watch 2 is 31g. That's a bit disappointing, considering the Watch 2's price remains the same as last year. We're looking at the same 41mm case size and OLED display on top. But flip the watch over, and you'll find a completely different sensor array. Instead of a single line of LEDs, there are now multiple LEDs and photodiodes to take measurements from several angles and positions. That then feeds into an algorithm that Fitbit CEO James Park says is 40 percent more accurate for vigorous activities.

This year, Google also added a skin temperature and continuous electrodermal activity (EDA) sensor. Both help enable proactive stress tracking, which Fitbit introduced with its Sense 2. The EDA sensor detects minuscule amounts of sweat, which can help determine bodily stress when combined with metrics like heart rate variability, heart rate, and skin temperature. As with the Sense 2, you're supposed to get a slightly delayed notification when a stressful event has been detected. You're then encouraged to log how that event made you feel. Battery life was a major pain point when the Pixel Watch first launched. Park acknowledges that you couldn't use the always-on display on the first-gen watch if you wanted that 24-hour battery life. This time around, he says that the team has worked hard to make sure the Pixel Watch 2's 306mAh battery can get 24 hours with the always-on display enabled. Users should also be able to get a 50 percent charge in 30 minutes and a full day's worth in 75 minutes. Helping that should be Wear OS 4 -- which Google says ought to extend battery life -- and the new, more power-efficient Qualcomm Snapdragon W5 processor. (Speaking of Wear OS 4, Google says that, at first, it'll be exclusive to Pixel Watch 2.)
Other features include the ability to automatically record workouts and do heart rate zone training; a new Safety Check feature that will alert your loved ones of your location after a preset timer expires (e.g. taking an Uber across town or going on a late-night walk); and support for Google services like Gmail, Google Wallet, and Calendar.

You can learn more about the Pixel Watch 2 here.
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The Pixel Watch 2 Adds New Sensors, Longer Battery Life, and Better Accuracy

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  • by TwistedGreen ( 80055 ) on Wednesday October 04, 2023 @04:41PM (#63900487)

    I used to have a smartwatch, but after Google recalled it because it could burst into flames, I just replaced it with a Casio watch. It does everything I need: a stopwatch, countdown timer, and it even tells the time! It's also waterproof and the battery lasts for 10 years. It's so nice not to have to charge it every day. Digital watches really are a neat idea; smartwatches not so much.

    • by Tarlus ( 1000874 )

      Remarkably accurate, too. And if you break or lose it, you're out 20 bucks.

      Casio F91W FTW

    • I'm a mechanical watch fan, but there's no denying nothing beats a cheap digital watch for functionality.
    • by AmiMoJo ( 196126 )

      I find the step counter and heart rate monitor to be useful features. The former is a good proxy for activity levels, the latter useful for monitoring exercise and sleep.

      I have a Xiaomi Mi Band 6 for that. It was only 20 quid. I got one for my mum too because she never notices her phone ringing when it's in her bag, and you can make the Mi Band vibrate when a call comes in.

    • by mjwx ( 966435 )

      I used to have a smartwatch, but after Google recalled it because it could burst into flames, I just replaced it with a Casio watch. It does everything I need: a stopwatch, countdown timer, and it even tells the time! It's also waterproof and the battery lasts for 10 years. It's so nice not to have to charge it every day. Digital watches really are a neat idea; smartwatches not so much.

      My Wrist has been free for 20 years and I'm not ever going back... I don't care how smart the damned things are.

  • Does anybody know whether or not the previous pixel watch, or this new pixel watch is compatible with accessories such as the garmin hrm straps?

  • I've seen some other smartwatches that look like cheap Apple Watch knockoff's from Wish, but I think this watch looks pretty good, and also visually distinctive... hopefully people enjoy the update, competition is always good.

  • by whoever57 ( 658626 ) on Wednesday October 04, 2023 @05:45PM (#63900627) Journal

    A recent update to the Fitbit app made it look nicer, but functionally worse. Meanwhile, actual bugs don't seem to have been addressed (it doesn't update the heart rate history, unless you click on that day's heart rate graph).

    They also removed the actual charge state -- it just tells you that it's "medium" or "low", not how low. Considering that "low" meant that you had over 24 hours of charge left, it's important to see the exact battery charge state.

  • I was certain a few years ago that digital blood pressure estimates would be here by this year.

    I guess the $60 China special is the right move. Odd.

    They're good enough for the realtime tradeoff. Helps with HIT planning.

    • The blood pressure watches are horribly inaccurate which is why most of them have been delayed or features removed entirely. Heart rate monitoring is supported. Blood pressure is much harder to measure without any kind of pressure cuff. The technology is progressing, just like the sensors to test eye pressure at home.

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