Are you looking for a portable and durable oxygen concentrator for home use? Stop your search here! Introducing to you our Portable Oxygen concentrator machine with simple functions that make it suitable for home use. It has a large color LED screen, Flow regulation, voice broadcast function, timer operation function, and infrared remote control. Moreover, the machine is equipped with a negative ion function. The negative ion system can work alone or simultaneously with the oxygen system, with an independent atomizing outlet, the atomized drug delivery can alleviate various problems of the upper and lower respiratory systems. Don’t compromise over your health and buy this Portable Oxygen concentrator machine now!