Spring Discount Save $20 on every $400——Buy Now

Spring Discount Save $20 on every $400——Buy Now


The whole machine weighs 0.6 KG(1.3lbs)

Long life battery

Removable battery for longer battery life——4 Hours.

More comfortable Oxygen Delivery

Moist oxygen, 3L flow disperses oxygen, large flow oxygen absorption is more comfortable.

Use In Plateau Areas

Work normally and continuously within an altitude of less than 5,000meters to increase the body's blood oxygensaturation and alleviate the plateau reaction.
How do I charge a removable battery?


Oxygenator main engine *1
Power charger *1
Instruction manual *1
Nasal oxygen tube *1
Removable battery *1

Customer Reviews

Based on 1 review
Portable O2

I do not have enough words to express my pleasure and satisfaction with the attention, communication, response and services received by Charming Key. At first I had doubts about the company's services, which were immediately dispelled. I will not hesitate to continue doing business with them in the future and I highly recommend them to anyone. Likewise, the portable oxygen concentrator works wonderfully. Thank you for changing the address and making the device arrive right on time, I can see that you have put all your heart into serving us. Please keep up the great job you are doing!! Sincerely,
Marlene and John Des Jardins

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1-Year Warranty Policy

Return and exchange within 30 days