BESRTWE 1L/93% Oxygen Tube Machine for Home Use, Portable Travel use Bag, 5Levels, pulso-Flujo, 6.5lbs, ac/dc recharged battery built-in

‌6.5lbs portable travel home use machine Adjustable 1-5LEVELs 1L/90%, high-concentration Pulso flow Household outdoor bulit-in battery powered, AC/DC ac(110v/60hz)You may also like BESRTWE 1-6Levels Oxygen Tube Machine for Home Use, Portable Travel use Bag, 93%,pulso-Flujo, 4.85lbs, ac/dc recharged battery.