Portable oxygen concentrator is a machine that uses oxygen from the air and concentrates it , therefore causing no pullution to the environment. The portable oxygen concentrator runs on electricity and it is an ideal device for oxygen  patients who travel frequently.
Atmospheric air consists of approximately 79% nitrogen and21% oxygen .By raising the normal oxygen level form 21% to approximately 30%, it is designed to boost body energy and help our bodies rid waste and toxins.

Features:
Improve blood circulation
Quickly recuperate body energy and reduce fatigue
Stimulate brain cells and reduce stress
Boost concentration level and work efficiency
Reduce body fat by increasing metabolism
Enhance immune system
Improve sleep quality