1. Styled design, selected material, compact structure, simplified ear-phoneshaped oxygen.

2. Mild airflow supplied for a harmonious atmosphere.

3. Advanced technology incorporated for precise oxygen concentration control to28+/-2% for rich oxygen achievement.

4. Simplified concise control system with intensive design under the control ofonly 1 knob.

5. International standard adapter (100-240v) safely withstands serious change ofpower pressure and frequency.

6. Fumnished with Chargeable battery can be used at home, in a car and even the place without power supply.

7. Direct Currency and brushless motor ensuring quiet running and economicalpower Consumption. Vector frequency conversion bringing powerful driving.