Can it calculate fev1 / fvc?

no, the device does not calculate this ratio because it does not measure FVC. It measures and trends Peak Flow (PEF) and the Forced Expired Volume at one second (FEV1)

My unit functions very inconsistently. At times out of 3 readings, I will register a 480, 20, 25. Other times, it will only register two of my three readings. I get too many readings in the 20s, then all of a sudden it will throw in a 520 etc., that I am not sure I can trust it anymore. I am currently shopping for another unit.

Which app can calculate fcv, fef25/75, fev1/fvc? my fev1 is at 40 percent and i have no diagnosis yet.

Hi. MIR Spirobank App can calculate fcv, fef25/75, fev1/fvc and more. But this app is not compatible with MIR Smart One device. The compatible device is MIR Spirobank Smart. You can email us for further info on how to get this device (not available on Amazon for the moment). Please visit spirometry.com and fill in the contact form. Thank you!

What country is this manufactured in? Also, what country is this shipping from?

Dear Customer, This item is manufactured in Rome, Italy. This item will be ship from Puerto Rico, via USPS First Class. Item is in stock ready to be ship. Kind Regards, Pelegrina Team

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💨 Breathe easy, track smarter—your lungs, your data, anytime, anywhere.

FAMILY FRIENDLY DESIGN - Accurate lung function testing for ages 5 to 93—perfect for every household member.
PLUG PLAY SIMPLICITY - Ready to use right out of the box—no complicated setup, just breathe and know.
MEDICARE READY CONVENIENCE - Soon to be covered under Medicare with HCPCS code—healthcare billing made easy.
INSTANT LUNG HEALTH INSIGHTS - Get Peak Flow & FEV1 results in just one second—no waiting, no hassle.
SEAMLESS SMARTPHONE INTEGRATION - Bluetooth connectivity streams your data directly to the free MIR Smart One app on iOS & Android.

The M MIR FEV1 Personal Spirometer is a compact, Bluetooth-enabled device that measures Peak Flow and FEV1 in just one second. Compatible with iOS and Android via the free MIR Smart One app, it supports users aged 5 to 93 and is poised for Medicare reimbursement, making lung health monitoring accessible, fast, and hassle-free.

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