Note : This is a supplementary medical equipment and is not intended for serious disease or those
<br /> who stay alive solely on medical oxygen.
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<br />First of all, we promise customers our item is high quality and warranty.
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<br />We have professional technicans to check the quality of all the items from factory, and each item will be rechecked carefully before sent out to ensure our customers received great quality items!! At the same time, all our item have 2 years free warranty, and life time after-sale service.  so there is no extra worries!!
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<br />Completely physical  rich oxygen supply.  much safer, more environmental and health friendly
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<br />Fully filtrate harmful substances 
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<br />in the air, such as dusts, virus and bacteria , and refresh the air with rich oxygen, environmentally and health friendly.
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<br />State-of-the-arts design and 10 functions
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<br />1. 29%+/-2% concentration, life standard clean rich oxygen supply
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<br />2. Efficient oxygen supply
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<br />3. Concise film button, simplified operating procedure
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<br />4. Portable and light 
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<br />5. Energy efficient, Economical Consumption
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<br />6. Convenient earphone breathing apparatus
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<br />7. Low noise, mute motor, physical oxygen generation
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<br />8. Safely broad-spectrum, oxygen concentration satisfying varied demands
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<br />9. Ergonomic Design, harmonious airflow
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<br />10. Standard parts: worldwide voltage adapter
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<br />Optional parts: specialized chargeable battery and charger, suitable for traveling and household use.