1 L- 7 L Adjustable Portable O2 Concentrator Dual Flow Oxygen

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Feature:

Intelligent control: LED screen, timing function, convenient to use, easy to operate.
Overheat protection: The pure oil-free compressor is equipped with a thermal protector. When
the working temperature of the compressor is too high, it will automatically stop working to give
better safety of the compressor and the whole machine.
Negative oxygen ion: Oxygen production simultaneously releases healthy negative ions,
which can improve ventilation better and enhance oxygen absorption rate. Complementing the
oxygen-producing function, it can enhance the immunity of the body, improve brain vitality and
cardiopulmonary function, and improve the quality of sleep.