Portable Oxygen Concentrator

5 liter electric portable Oxygen concentrator, mainly used in supply of oxygen to improve the body's physiological and biochemical environment, promote the virtuous circle of the metabolic process to cure disease, relieve symptoms and promote rehabilitation and prevention of disease and improving health. Product Features: • High oxygen purity 93%+-3% from 1Liter to 5 liter • Operates with rechargeble external battery ,AC or DC power • Exceptional battery life,can be used for 800 times • Fashionable carrying case with adjustable shoulder strap • Low Noise,less than 40db(A)