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

the machine is defective the machine is defective. i do not know where to return it. I emailed the support team but no reply.

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.

You get an extra charge because it comes from Canada Machine works, well packed, you do have an extra charge that I did not know because it is charged in Canada. They should also include a longer cord.

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.