As promised, here is a small Demo video of 10 ltr Oxygen Concentrator. Some basic things on how to use it are shared in the video.
ONLY to be used with Doctor's advice and instructions.
This video is only a demo on how the machine will function.
Also, this is NOT a paid video.
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Boya Mic -amzn.to/3JXXODV
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I use Poco X2. But here is a better model -amzn.to/3iQr2sF
Here are more videos on reviews and demo:
• Reviews and Unboxing
Music: Happy theme
URL: InShot