Features:The "portable" size is 21 * 34 * 11 cm and a small 1.88 kg, so easy to carry and convenient to use in a car when you are out.And equipped with a conversion head, it also can be used at home. New five-fold filtration technology, negative ion function, multi-layer filtration, oxygen absorption is more clean. With the car power supply, you can also absorb oxygen on the road and enjoy uninterrupted oxygen supply. "Portable car oxygen machine" flow rate 1 L/min, oxygen concentration 55%±3. Flow rate and concentration are fixed. "Easy to operate" with a large screen display, one-button operation, elderly people can easily use it.Specifications:Oxygen concentration: 55% ± 3Oxygen flow: 1L/minRated power: 25VAProduct size: 21*34*11cmRated voltage: 12V/50HZNoise level: 45dbPackage Includes:1*Portable Oxygen Machine1* car adapter
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