Portable 1L- 6L Continuous Flow Lightweight Mini Oxygen Concentrator With 4 Hours Battery I Model M600

Product Description This is a Brand New 1L-6L adjustable portable CONTINUOUS FLOW mini- oxygen concentrator with 2 batteries ( you get 4 hours total battery time) . It gives an oxygen concentration of 30%-90% from 1L to 6L. Comes with all the needed accessories. Use at Home, in Car and outdoors. Can be charged inside a car. The machine can be used while charging the battery at home or in the car. Lightweight: Weighs 7lbs. Easy to operate and maintain. Has just 5 buttons The oxygen concentration is 93%±3% at 1L, 60%±5% at 2L, 45%±5% at 3L, 35%±5% at 4L, 30%±5% at 5L and 28%±5% at 6L. There is a 2 year manufacturer's warranty on the machine. Warranty covers repairs and replacements and accessories needed. Lifetime after-sales support available. Use At Home And In The Car. Easily Charges in the Home And In The Car . Convenient AC and DC powered Comes with a backpack that can be made into a carry bag, and a purse. The unique design makes it easy to change the ba