100% brand new and high quality.
Oxygen concentration: 55% ± 3
Oxygen flow: 1L/min
Rated voltage: 12V/50Hz
Noise level: 45db
Power mode: USB, AC
Applicable area: 21㎡ (inclusive) -30㎡(inclusive)
Working principle: negative ions
It can be used for oxygen and atomization at home or in the car;
It filters the air and is easy to operate.
The weight is about 2kg, which is convenient to carry;
Pregnant women can use it to better care for the healthy growth of the fetus.
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