Portable Oxygen Concentrator 3L 40%
2 way carry-on Oxygen Generator isavailable for family and car use For Students: Frequently inhale Oxygen from STO-O2 will give you a calm mind. You can easily concentrate andfocus on you study to face nowadays academic competition. For Long Distance Drivers: Bring STO-O2 in your car, bus or truck to furnish sufficient oxygen for recovery from tiredness driving. STO-O2 will definitely increase your concentration on the road and avoid possible accident caused by long time driving. For Athletes: During exercise or games, Oxygen will soothe chest pain and prevent short of breath. STO-O2 willrestore your energy rapidly. For Seniors:Metabolism retrogression is normal condition in seniors. Regularly providing enough oxygen willenhance immunity for seniors. STO-O2 is the best choice to play the part. For Office: No matter you are the owner or employees, after a hard day work, you'll feel pressure and weaviness, inhale oxygen can reduce nervous and unhappiness and refresh your energy. STO