Longfian portable oxygen concentrator is a hot seller in the whole market, recognized by customer with high quality.
Kindly note this portable oxygen machine just suit for oxygen therapy or healthcare use, suit for mental worker, student, aged, pregnant use, can not cure serious respiratory disease, 5-10 liter oxygen machine is beneficial to cure respiratory disease or COPD .
It is low noise ≤40db, light weight, just 6 kgs
It can work in car run by car adapater DC12V, lithium battery.
Very easy to move, can take with trolley bag
4. If add a mixer, can make oxygen cocktail