1. Equipped with a 6400mAh high-capacity battery, providing 1.5-5 hours of runtime
  2. only 17.5*8.7*19.5 cm (6.9*3.4*7.7 inches) and weighing just 2 kg (4.4 lbs), it can easily fit into a dedicated carrying bag, allowing you to carry it crossbody, on one shoulder, or by hand
  3. This portable travel oxygen machine offers 7 adjustable flow levels