Factory 1L-4L Portable Mini Oxygen Concentrator O2 Concentrators Small Oxygen-Concentrator for Home Car Use Travel

Portable Mini Oxygen Concentrator 1L-4L (The power bank / UPS power and the bag are optional.) 
1. Oxygen concentrator with intelligent touch control.
2. Oxygen concentrator machine with over 35-90% oxygen purity, 1-4L/M adjustable flow rate.
3. Oxygen concentrator for home has 8 grade filtration system,it can provide clean and safe oxygen for you.
4. Oxygen concentrator has flow regulation and timer operation function .Can make the oxygen and atomization.
5. The noise is less than 45dB, night use will not affect sleep.
6. Comes with car power adapter,can be used in car.
7. Customization for oxygen concentrators is acceptable.

The oxygen concentrator is Suitable for busy work,overwork,memory decline and the elderly,students,workers,pregnant women and so on.Respiratory system diseases, cardiovascular and cerebrovascular diseases; plateau hypoxia; middle-aged and elderly people,pregnant women, students who have been engaged in mental work for a long time; people who have long been engaged in underground or confined space operations, excessive People who are exhausted from exercise and lack of oxygen.