Oxygen recovery therapy The unit is almost perfect except for the oxygen concentration levels at higher liter/minutes decrease significantly. So anything above 3 liter/minute reduces total oxygen per breath cycle. But at this price it’s great.

The instructions were a bit poorly… The instructions were a bit poorly written, however the unit is easy to use and let my expectations

DISAPPOINTED: DISAPPOINTED: The Pulse Oximeter works as expected. However, cannot access the app. Have tried to contact company for support but their email does not even work. For me, the main attraction was to be able to use it with the app.

The unit is very attractive and quiet! The unit is very attractive and seems to work fine. So far, I am impressed with it.

This company is just a scam This company is just a scam. My machine was not at all what they said it was. Then they are giving me a hard time about returning it. I will never order anything else advertised on Facebook.