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Jk4ever
> 3 dayI work in the medical field and have also had Covid twice, and I’m diagnosed with with Peripartum Cardiomyopathy (which is pregnancy induced heart failure; the only heart failure that you can recover from) so I fully aware of how pulse ox’s are supposed to work and can tell when they are faulty. I even did the “3 minute walk test” with this one and it didn’t miss a beat. My last one I tried for a while was faulty, would say my o2 was 90 when it definitely was not - you would know if you were at 90, trust me. I felt fine. So I’m giving this a 5 Star because it is accurate and durable at detecting your o2 even while in motion. Note: the best way to record your o2 is at rest. The physician that I work for has us do the 3 minute walk test with patients who’s o2 is in question, regularly.
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Stacey Acre
> 3 daySaved my life
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Mrs. Destiney Fritsch
> 3 dayAccurate, well made
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mcg
Greater than one weekNo
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Jonna A. Blackwell
> 3 dayNeeded this ASAP for husband who was having O2 issues after brain surgery!
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Cathy Viel
> 3 dayQuality product
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Julie G. Brown
05-06-2025A good product. I would buy it again. Only drawback was it takes awhile to turn off.
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Erin
> 3 dayBought just to have available for potential future illness. Since they’re so cheap these days it seems like a good idea to keep at home next to the thermometer. As far as I can tell it appears accurate. I get the same pulse measurement when I take my pulse manually. I do recommend giving the pulse reading a minute or two after you start the device before you trust it. It does seem to need a moment to read your pulse before it becomes accurate, which I guess makes sense. Can’t speak to the accuracy of the oxygen reading since I don’t have anything to compare it against except to say the reading indicates my blood oxygen is normal and I’m currently not ill.
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Madelyn Davis
> 3 dayI have only been able to get an accurate reading on my little finger. Perhaps because other fingers are a little bit calloused with age? It also seems a little slow at calculating. But not bad for $20. Just dont get too upset if your reading is too low. Try other fingers before calling 911!
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Susan W. Duhon
> 3 dayThat it works well