MIR Smart ONE Pocket Spirometer for Peak Flow & FEV1 Monitoring Sealed

New in box! See pictures for details. Thanks for looking!

MIR Smart ONE Pocket Spirometer for Peak Flow & FEV1 Monitoring Sealed before Ts

Appeared sealed until I opened for pics and testing, which I felt necessary since it seems to have been manufactured Edd in 2021. Tested with Android app. Connected and responded when air blown into from a distance (I did not put my mouth on the mouthpiece).

MIR Smart ONE Pocket Spirometer for Peak Flow & FEV1 Monitoring Sealed