Customers find the blood oxygen monitor works well and is simple to set up and use, with an excellent user interface. The device provides accurate readings and includes a nice summary report of the captured data. They appreciate its continuous monitoring feature and consider it worth the reasonable price. The battery life receives mixed reviews – while some customers say it’s good, others report that the batteries die after two full nights of use.
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9 reviews for EMAY Sleep Oxygen Monitor with Built-in Recording Capability | Track Continuous Blood Oxygen Levels & Pulse Rate Overnight | Provides Sleep Report & Raw Data
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Aspen –
Should it be looser-fitting for bedtime? Yes, but with a little retro-fitting, it works fine…
What other reviewers said is true – it fits tight, and is definitely annoying when you go to bed.I felt like my pinkie was in a clamshell and the clam didn’t want to let go. Very uncomfortable. BUT, read on…About the Retrofit:Looking for a solution, I rolled up two very small bandaids into little “bandaid cigars” and inserted one on each side of my inserted finger (alongside my finger) which provided a slight (very slight) “opening” of the clamshell to support my finger. When I did this, it worked well for comfort, I did not feel like my finger was squeezed an a clamshell all night long, and the device still recorded my data even with the retrofit keeping it just a tiny bit less tight. The key here is to insert a little extra padding on the white edge where the “clam” closes — vs. a lot of bulk — just a hint of extra padding so your finger isn’t squeezed so tightly. If you opt to ry this, just make sure it’s still recording data (look for the blinking light). If it’s not, you’ve payed it open too far and it’s not picking up a reading.About Keeping it on all night:It fell off once during each of the 2 nights I used it (I reconnected it when I woke during the night – then it continued recording data). So far I have not used the velcro strap designed to help keep it on – haven’t found that necessary – I don’t move that much during sleep.Finger choice: My physician friends told me any finger works for reading your data, so the choice is yours. I put it on my left pinkie since I’m right-handed and it’s convenient to have a hand free during the night.Connecting & Reporting to the App:Setting up the app was super easy.Not entirely sure how to make sense of the report it spits out into the App, but the data looks clean and the graphics are pretty simple, so I’m sure I’ll figure that out.Batteries:It’s an energy eater – you need to replace the batteries (2 AAA) every 3 nights or so.I use rechargeable, so it’s no biggie.Rechargeable batteries and chargers have come down a lot in price the past decade or so, so it’s the way to go.Rechargeable batteries require special recycling, so don’t throw them in the regular trash give them to your local recycling center.So far, happy with the purchase. It’s nice to have a pulse ox that records data.
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Tom S –
Easy to use & accurate way to assess reduced blood oxygen levels and their severity
The EMO-80 is an incredibly well-designed, accurate (I compared it to several other oximeters including my doctor’s and my Apple watch), and useful product. The graphic displays and summary reports are easily accessible in the app, and they present, in a very user-friendly and professional way, all the information that is needed to assess reduced blood oxygen levels, to identify sleep apnea and its severity, and to check the effectiveness of sleep apnea remediation devices. The battery life is quite good. Using alkaline batteries, I get 6 nights of all night recording which is a couple of nights more than I expected with all night use. A minor positive point is that the device comes with, not one but two, sets of batteries and they are alkaline batteries. I don’t know if you’ve noticed, but anything I have ever bought that comes with batteries always come with shorter-lasting non-alkaline batteries.
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Cynthia L Anderson –
EMAY sleep pulse oximeter works perfectly!
We purchased the EMAY oxygen pulse oximeter to study are sleep oxygen levels. It works perfectly! It’s easy to use, the battery appears to last a long time, and it functions flawlessly. It generates an easy to understand report and gives you everything that you would normally see on a professional report. Note, it’s not medical equipment, but it definitely gives you an excellent understanding of how you’re sleeping relative to your oxygen levels and your heart rate. The price was fantastic, and it gave us priceless knowledge of how we’re doing. I recommended it as a good l, economical,first step to see if you have sleep apnea issues before actually going to a sleep apnea study at your physician.
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Brenda Denzler –
A product whose time has NOT come? Maybe not…!
I wrote the review below, got a replacement oximeter from Amazon, and still had problems with it. I was really intensely frustrated and angry at having wasted my money (I thought), tried twice, had ongoing problems…. Hence the review.HOWEVER, I communicated a question to their support department, and that led to an exchange with them. I didn’t expect them to be so responsive. But they were. I raised every single issue below, and they answered them all.In one or two cases, the problem I raised was on my end; I did something wrong.In another case, the problem was because I had not understood something correctly. I think most people would have misunderstood just as I did, so I’m not going to “own” that one. They’re just going to have to be a bit clearer in their instructions.In a couple of cases, the problem is/was on their end. And they were receptive to my very specific criticisms, discussing one or two with their engineers and computer gurus, and promising that they were going to fix it.This wasn’t a “brush-off” response from them. This was a sustained conversation with evidence that they were taking my issues seriously. A soft answer turns away wrath, the Bible says, and the folks at Emay have done exactly that. They were open and accepting of my irritation, helped me understand what I was missing, and owned their “share” of the issues I raised.The second oximeter is working much better, now that a few issues have been ironed out. Between having a functioning device and receiving the company’s excellent service response, I’m having a harder and harder time NOT liking this product!I’ve raised the number of stars to 4 (would give 4.5, if it were possible), and will raise it to 5 once they’ve made the adjustments we’ve discussed.———————————–I want to like this product, but it’s getting harder and harder.First, the downloaded app calculated my age incorrectly. I had to claim a fake birth year in order to get the app to reflect my actual age. This is such a small thing to write code for, isn’t it? Why can’t you write the code so that 2019 (when I received the first oximeter from you) minus 1953 (my birth year) equals 66? I had to pretend that my birth year was 1954, so that my age would be reflected properly.While you’re at it, why do you only have the year? Now, in 2020, I’m technically 67, according to your app. Yet in truth I won’t be that age for another 6 months. This is a real deficiency in your product.Second, the device doesn’t stay paired to my iPhone and the necessary app. Getting it to re-link is often a struggle. I hate having to fight the app/oximeter every time I use them, not knowing if they’re going to pair readily (and sometimes they do) or claim not to see each other—even though YES, my bluetooth *is* on!Third, the second device I received from the company failed to synchronize its internal date/time to the actual date/time via the app. So my first three-hour reading has the wrong date info on it.Fourth, if the wrong date or time gets put on a reading, you can’t go in and edit the result so that it reflects the correct date/time.Fifth, the reading can be sent out as a PDF file. Which is nice. I have done this, and the file crashes both Adobe Acrobat Reader as well as Adobe Acrobat Professional. Something about the way it’s sent out is faulty.Sixth, the first oximeter they sent me was defective. It would stop recording for no reason. Then it got “stuck” and wouldn’t record at all. New batteries, turning allllll devices (iPhone, app, oximeter) off and then rebooting…nothing worked. I now have a replacement in hand, but I’m not certain it’s going to function correctly, either.Seventh, the new, replacement oximeter is a different model than the first one–a few small-but-nice features that the first one had, this one doesn’t have.I like the heart rate print-out. I like the fact that it records a measurement every second. I like that I can specify my own cut-off points for too-high or too-low. I like the fact that the records can be shared with the iPhone’s “Health” app.But there are too many glitches in the oximeter and the app to make this a product I’d recommend to anyone.Further problems with the Emay pulse oximeter (second device, having sent the first one back for a replacement):1. Even though the device IS connected to my phone’s Bluetooth, the Emay app says it cannot find my device in order to tell me how much memory time I have left on it.2. When I turned on the device so that the Emay app could read the memory time left, the device said “Version 1.1” and then “Uploading.” However: (1) the app was not, in fact, uploading anything, and (2) the device is stuck on “Uploading” and will not allow me to stop the supposed upload nor even turn it off. I have to take the batteries out to get it to shut off.3. The numerical read-outs of the device and the graph do not match well on the heart rate data. The read-out may say my heart rate was 55, but the graph line barely strikes below the “60” mark and is not anywhere near the “55” mark.4. The O2 sat data and the heart rate data reflected in the Emay app are not exported to my iPhone’s Health app “accurately” – assuming that they are recorded accurately by the device itself! While the Emay app’s upload of my O2 and HR information from last night reveal numerous and lengthy periods of O2 sats dipping as low as 85%, when that same minute-by-minute data set is exported to the Health app, there isn’t a reading below 92%!5. The Emay app gives you two options for preserving the report it generates. One is to save it as an image; the other is to send it as a PDF. (As I’ve already reported, their PDF files crash both Adobe Acrobat Reader and Acrobat Professional.) Once you’ve decided to send the Emay report to yourself as a PDF, you cannot go back and ALSO choose to save it as an image. I wanted to see what I’d get with an image rather than the buggy PDF, but found that I couldn’t because the option was lost to me once I’d chosen the PDF option.
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Computer user –
This is a quality product; it is well-made and its functionality is impressive. The Android app which you can install via the Play Store works fine on my Samsung Galaxy Note 20 Ultra 5G and has a well-designed, easy-to-use user interface. The device clamps on a finger like the ones nurses use in hospitals and clinics. It samples SpO2 (blood oxygen level) and pulse rate each second and can store these measurements overnight while you sleep. I simply left the device on my index finger overnight in bed. A roll of black bandage is supplied but I ended up taking it off as the device stayed on my finger all night without it. The red LED light that shines through the finger did not trouble me as it is not bright, and the display itself turns off after 90 seconds anyway. The end knuckle of my index finger was a little sore the next morning where the device had been clamped on my finger, but nothing serious.Although the device has data storage capability, it can be used as a normal pulse oximeter for spot checks as well. To look at it has the appearance of a standard pulse oximeter, albeit the quality of manufacture and materials is noticeably better than a cheap standard pulse oximeter I already have.The device uses two AAA batteries. Four batteries are supplied in the box, as well as a lanyard, a little storage bag for the device, and a user manual. The user manual explains well how to use the device, and there is an e-mail address to contact the manufacturer if you have any questions or problems. I e-mailed the manufacturer with a query and they replied quickly and were helpful.The user manual estimates that a pair of AAA batteries should last for at least three 8-hour measurement periods.It is possible to view, save and e-mail a detailed PDF report showing statistics and graphs of the blood oxygen levels and pulse rates over the measurement period you have had the device on a finger. The report is impressive and looks very professional, and I would not have a problem showing it to a doctor. In my case I was worried that my blood oxygen level was dropping too low while I slept, but the report put my mind to rest. It is also possible to save or share a CSV (comma-separated values) file which you can import into a spreadsheet if you want to examine or analyse the data yourself.The only things that I found that could be improved are: a) sometimes deleting the data stored on the device took a few attempts; b) the user manuals that can be viewed in the app could do with being zoom-able, as the text displayed on a smartphone is tiny (a printed user manual is supplied as well in any case); c) I could not find a way of deleting a user. I do not consider these significant problems, though.Overall I am very impressed with this device.
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Cliente Amazon –
Semplice da utilizzare, di buona fattura. Buona anche la app a supporto.
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Pronab Ganguly –
I purchased this pulse oximeter for sleep study. It was a great device and served my purpose adequately. I will buy it again if required.
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PAUL HARDING –
Does as advertised
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Stefi –
Happy with purchase, excellent seller, follows up with you after purchase and offers to make any concerns right. Product is reliable, works well and accurately records data. I found it stays on my finger without any issues. App easy to use and data can be transferred smoothly. Phone does not need to be near device to record data, which means less Emf.
Aspen –
Should it be looser-fitting for bedtime? Yes, but with a little retro-fitting, it works fine…
What other reviewers said is true – it fits tight, and is definitely annoying when you go to bed.I felt like my pinkie was in a clamshell and the clam didn’t want to let go. Very uncomfortable. BUT, read on…About the Retrofit:Looking for a solution, I rolled up two very small bandaids into little “bandaid cigars” and inserted one on each side of my inserted finger (alongside my finger) which provided a slight (very slight) “opening” of the clamshell to support my finger. When I did this, it worked well for comfort, I did not feel like my finger was squeezed an a clamshell all night long, and the device still recorded my data even with the retrofit keeping it just a tiny bit less tight. The key here is to insert a little extra padding on the white edge where the “clam” closes — vs. a lot of bulk — just a hint of extra padding so your finger isn’t squeezed so tightly. If you opt to ry this, just make sure it’s still recording data (look for the blinking light). If it’s not, you’ve payed it open too far and it’s not picking up a reading.About Keeping it on all night:It fell off once during each of the 2 nights I used it (I reconnected it when I woke during the night – then it continued recording data). So far I have not used the velcro strap designed to help keep it on – haven’t found that necessary – I don’t move that much during sleep.Finger choice: My physician friends told me any finger works for reading your data, so the choice is yours. I put it on my left pinkie since I’m right-handed and it’s convenient to have a hand free during the night.Connecting & Reporting to the App:Setting up the app was super easy.Not entirely sure how to make sense of the report it spits out into the App, but the data looks clean and the graphics are pretty simple, so I’m sure I’ll figure that out.Batteries:It’s an energy eater – you need to replace the batteries (2 AAA) every 3 nights or so.I use rechargeable, so it’s no biggie.Rechargeable batteries and chargers have come down a lot in price the past decade or so, so it’s the way to go.Rechargeable batteries require special recycling, so don’t throw them in the regular trash give them to your local recycling center.So far, happy with the purchase. It’s nice to have a pulse ox that records data.
Tom S –
Easy to use & accurate way to assess reduced blood oxygen levels and their severity
The EMO-80 is an incredibly well-designed, accurate (I compared it to several other oximeters including my doctor’s and my Apple watch), and useful product. The graphic displays and summary reports are easily accessible in the app, and they present, in a very user-friendly and professional way, all the information that is needed to assess reduced blood oxygen levels, to identify sleep apnea and its severity, and to check the effectiveness of sleep apnea remediation devices. The battery life is quite good. Using alkaline batteries, I get 6 nights of all night recording which is a couple of nights more than I expected with all night use. A minor positive point is that the device comes with, not one but two, sets of batteries and they are alkaline batteries. I don’t know if you’ve noticed, but anything I have ever bought that comes with batteries always come with shorter-lasting non-alkaline batteries.
Cynthia L Anderson –
EMAY sleep pulse oximeter works perfectly!
We purchased the EMAY oxygen pulse oximeter to study are sleep oxygen levels. It works perfectly! It’s easy to use, the battery appears to last a long time, and it functions flawlessly. It generates an easy to understand report and gives you everything that you would normally see on a professional report. Note, it’s not medical equipment, but it definitely gives you an excellent understanding of how you’re sleeping relative to your oxygen levels and your heart rate. The price was fantastic, and it gave us priceless knowledge of how we’re doing. I recommended it as a good l, economical,first step to see if you have sleep apnea issues before actually going to a sleep apnea study at your physician.
Brenda Denzler –
A product whose time has NOT come? Maybe not…!
I wrote the review below, got a replacement oximeter from Amazon, and still had problems with it. I was really intensely frustrated and angry at having wasted my money (I thought), tried twice, had ongoing problems…. Hence the review.HOWEVER, I communicated a question to their support department, and that led to an exchange with them. I didn’t expect them to be so responsive. But they were. I raised every single issue below, and they answered them all.In one or two cases, the problem I raised was on my end; I did something wrong.In another case, the problem was because I had not understood something correctly. I think most people would have misunderstood just as I did, so I’m not going to “own” that one. They’re just going to have to be a bit clearer in their instructions.In a couple of cases, the problem is/was on their end. And they were receptive to my very specific criticisms, discussing one or two with their engineers and computer gurus, and promising that they were going to fix it.This wasn’t a “brush-off” response from them. This was a sustained conversation with evidence that they were taking my issues seriously. A soft answer turns away wrath, the Bible says, and the folks at Emay have done exactly that. They were open and accepting of my irritation, helped me understand what I was missing, and owned their “share” of the issues I raised.The second oximeter is working much better, now that a few issues have been ironed out. Between having a functioning device and receiving the company’s excellent service response, I’m having a harder and harder time NOT liking this product!I’ve raised the number of stars to 4 (would give 4.5, if it were possible), and will raise it to 5 once they’ve made the adjustments we’ve discussed.———————————–I want to like this product, but it’s getting harder and harder.First, the downloaded app calculated my age incorrectly. I had to claim a fake birth year in order to get the app to reflect my actual age. This is such a small thing to write code for, isn’t it? Why can’t you write the code so that 2019 (when I received the first oximeter from you) minus 1953 (my birth year) equals 66? I had to pretend that my birth year was 1954, so that my age would be reflected properly.While you’re at it, why do you only have the year? Now, in 2020, I’m technically 67, according to your app. Yet in truth I won’t be that age for another 6 months. This is a real deficiency in your product.Second, the device doesn’t stay paired to my iPhone and the necessary app. Getting it to re-link is often a struggle. I hate having to fight the app/oximeter every time I use them, not knowing if they’re going to pair readily (and sometimes they do) or claim not to see each other—even though YES, my bluetooth *is* on!Third, the second device I received from the company failed to synchronize its internal date/time to the actual date/time via the app. So my first three-hour reading has the wrong date info on it.Fourth, if the wrong date or time gets put on a reading, you can’t go in and edit the result so that it reflects the correct date/time.Fifth, the reading can be sent out as a PDF file. Which is nice. I have done this, and the file crashes both Adobe Acrobat Reader as well as Adobe Acrobat Professional. Something about the way it’s sent out is faulty.Sixth, the first oximeter they sent me was defective. It would stop recording for no reason. Then it got “stuck” and wouldn’t record at all. New batteries, turning allllll devices (iPhone, app, oximeter) off and then rebooting…nothing worked. I now have a replacement in hand, but I’m not certain it’s going to function correctly, either.Seventh, the new, replacement oximeter is a different model than the first one–a few small-but-nice features that the first one had, this one doesn’t have.I like the heart rate print-out. I like the fact that it records a measurement every second. I like that I can specify my own cut-off points for too-high or too-low. I like the fact that the records can be shared with the iPhone’s “Health” app.But there are too many glitches in the oximeter and the app to make this a product I’d recommend to anyone.Further problems with the Emay pulse oximeter (second device, having sent the first one back for a replacement):1. Even though the device IS connected to my phone’s Bluetooth, the Emay app says it cannot find my device in order to tell me how much memory time I have left on it.2. When I turned on the device so that the Emay app could read the memory time left, the device said “Version 1.1” and then “Uploading.” However: (1) the app was not, in fact, uploading anything, and (2) the device is stuck on “Uploading” and will not allow me to stop the supposed upload nor even turn it off. I have to take the batteries out to get it to shut off.3. The numerical read-outs of the device and the graph do not match well on the heart rate data. The read-out may say my heart rate was 55, but the graph line barely strikes below the “60” mark and is not anywhere near the “55” mark.4. The O2 sat data and the heart rate data reflected in the Emay app are not exported to my iPhone’s Health app “accurately” – assuming that they are recorded accurately by the device itself! While the Emay app’s upload of my O2 and HR information from last night reveal numerous and lengthy periods of O2 sats dipping as low as 85%, when that same minute-by-minute data set is exported to the Health app, there isn’t a reading below 92%!5. The Emay app gives you two options for preserving the report it generates. One is to save it as an image; the other is to send it as a PDF. (As I’ve already reported, their PDF files crash both Adobe Acrobat Reader and Acrobat Professional.) Once you’ve decided to send the Emay report to yourself as a PDF, you cannot go back and ALSO choose to save it as an image. I wanted to see what I’d get with an image rather than the buggy PDF, but found that I couldn’t because the option was lost to me once I’d chosen the PDF option.
Computer user –
This is a quality product; it is well-made and its functionality is impressive. The Android app which you can install via the Play Store works fine on my Samsung Galaxy Note 20 Ultra 5G and has a well-designed, easy-to-use user interface. The device clamps on a finger like the ones nurses use in hospitals and clinics. It samples SpO2 (blood oxygen level) and pulse rate each second and can store these measurements overnight while you sleep. I simply left the device on my index finger overnight in bed. A roll of black bandage is supplied but I ended up taking it off as the device stayed on my finger all night without it. The red LED light that shines through the finger did not trouble me as it is not bright, and the display itself turns off after 90 seconds anyway. The end knuckle of my index finger was a little sore the next morning where the device had been clamped on my finger, but nothing serious.Although the device has data storage capability, it can be used as a normal pulse oximeter for spot checks as well. To look at it has the appearance of a standard pulse oximeter, albeit the quality of manufacture and materials is noticeably better than a cheap standard pulse oximeter I already have.The device uses two AAA batteries. Four batteries are supplied in the box, as well as a lanyard, a little storage bag for the device, and a user manual. The user manual explains well how to use the device, and there is an e-mail address to contact the manufacturer if you have any questions or problems. I e-mailed the manufacturer with a query and they replied quickly and were helpful.The user manual estimates that a pair of AAA batteries should last for at least three 8-hour measurement periods.It is possible to view, save and e-mail a detailed PDF report showing statistics and graphs of the blood oxygen levels and pulse rates over the measurement period you have had the device on a finger. The report is impressive and looks very professional, and I would not have a problem showing it to a doctor. In my case I was worried that my blood oxygen level was dropping too low while I slept, but the report put my mind to rest. It is also possible to save or share a CSV (comma-separated values) file which you can import into a spreadsheet if you want to examine or analyse the data yourself.The only things that I found that could be improved are: a) sometimes deleting the data stored on the device took a few attempts; b) the user manuals that can be viewed in the app could do with being zoom-able, as the text displayed on a smartphone is tiny (a printed user manual is supplied as well in any case); c) I could not find a way of deleting a user. I do not consider these significant problems, though.Overall I am very impressed with this device.
Cliente Amazon –
Semplice da utilizzare, di buona fattura. Buona anche la app a supporto.
Pronab Ganguly –
I purchased this pulse oximeter for sleep study. It was a great device and served my purpose adequately. I will buy it again if required.
PAUL HARDING –
Does as advertised
Stefi –
Happy with purchase, excellent seller, follows up with you after purchase and offers to make any concerns right. Product is reliable, works well and accurately records data. I found it stays on my finger without any issues. App easy to use and data can be transferred smoothly. Phone does not need to be near device to record data, which means less Emf.