MIR Smart ONE | Personal Pocket Spirometer | Peak Flow (PEF) and FEV1

Hand held .Lightweight , value for money

This product is fantastically portable and seems to be accurate. I was checking how my daily inhaler affected/improved my lung capacity in the morning and at night -- it is great to be able to track your trigger days and symptoms. I was able to find that my asthma affected my breathing most in the mornings, before I took my maintenance inhaler. I appreciate that the app walks you through the process and recommends your exhale slower or faster, depending on your tendency. Note: It does take the highest of three measurements and saves that number.With all that being said, I bought it to help me track whether my medication was actually helping my lung function or not. It gave me a lot of relief that, even when I felt like I was having an asthma flare, my lung function was still generally good.It is worth it for the peace of mind!My only complaint is that I wish the mouthpiece was collapsible. For some reason, I assumed it was, based off of the product photos, and was disappointed to see that it wasn't. In reality, that is a very small quirk to an otherwise sleekly designed piece of medical equipment.

If you’re interested in tracking your FEV & PEF this is a very helpful and user friendly tool to do so. Cool product, works great, connected to my iPhone flawlessly. Proud to add this tool to my health tech arsenal! The only reason I give it 4/5 is because the companion app could use a little bit of improvement. Very solid product!

My kid was just diagnosed with asthma. In addition to that problem, he has the underlying problem of being 13. What this means for us that he insists that he's fine, even when his breathing is so bad that he can't finish the sentence "I feel totally fine" and the word 'fine' kind of trails off and he starts coughing. You can't disagree with him and suggest he needs a treatment because he gets all sullen and moody.This thing is awesome because it puts numbers to what he is in the minute. It's not a big power struggle, the numbers are what they are. He can keep track of them and take some more ownership of his own health. It's not cheap, but I'd consider it well worth the price.

The Android/Samsung app has a known bug, so I had to return the unit. The fix did not have an ETA.

I purchased this several months before my pulmonologist appointment for lab spirometry. While this unit does not measure everything of a full medical lab test, the FEV1 value that I was most interested in was exactly spot on to the professional result.I am surprised that this little unit is not only precise among it's own measurements, but that it is also matching the values measured professionally in a very elaborate test involving nose plugs, a sealed booth, and technician coaching me through how to breathe for the test.If you are looking for an accurate measure of FEV1, I recommend this unit as a cheap way to get the same number as the lab test.

Out of the box to testing in about 5 minutes! The readings are accurate- if only relatively speaking. When I'm open it's high and when I'm plugged up it's low.I'll take it to my next pulmonologist appointment to compare, if possible.I love the fact that it's Bluetooth and the ease of use.I wish someone would come up with a (home) Bluetooth blood pressure cuff, pulse oximeter breathing analyzer, and perhaps a thermometer..I've got them all except the thermometer BUT each runs on its own app. I see this sensor I just bought now comes with a pulse oximeter.Who knew COPD would have a fun edge to it?

I've been using the MIR Smart One for a few years. I find that the components lasts for about a year, which I understand (it's plastic, the turbine wears out, etc.). When my last one went off, I bought another, and ended up returning it because there were obvious manufacturing defects (rough edges around the mouthpiece and turbine). Since then, I've ordered three more and have had issues with each one--crazy readings (one very high, one extremely low, one middling), parts not fitting correctly, and more. Also, I'm having difficulty with the app (which is nice, although if you have to reload it, all your data is lost, and it should be migrated)--when I blow, the indicators stick, and I have to pound on the phone screen so I can do another test. I've never had these difficulties in the past and, taken together, suggest to me that quality control is lacking. I've been faithful to the MIR, but given these issues (with FOUR new devices received over a period of a few months), I'm afraid I'll have to abandon it for another brand. Disappointing.