1L, 3L, 5L portable continuous flow Adjustable oxygen concentrator with nebulizer function I 2 Hours battery

This an easy carriable oxygen concentrator.  It is mainly developed for travel users.  The Bingo portable oxygen concentrator is battery-in, rechargeable, oxygen purity display, large LED screen, 3 in 1 (O2, nebulizer, Anion), power capacity display and timer. The package comes with one humidifier, one carry bag, one car charger, AC power cord and hidden handle.  The Bingo portable oxygen concentrator has E-touch panel, every function is control by fingertip.  The Bingo portable oxygen concentrator has no floating flow meter, to avoid gravity element.