Warming tip:Since this product is health care product, the oxygen content and oxygen concentration can't be replaced the professional medical oxygen bar, so we suggest you need consider your requirement when you decide to orderUse:1. Keep press 3 seconds to boot, after 2-3 minutes, the oxygen concentration will be 40% -60%. Press again to convert to atomization, press again to turn off.2. After use of a month, you need clean the bottom of the intake filter sponge, after cleaning, dry out and put it back.3. After 40-45 minutes, this oxygen concentrator will automatically shut off, you need to re-boot this item4. Please do not use this product near fire or when you are smoking.Health Oxygen by VPSA way, the oxygen in the air is raw and isn't fixture, so by using a unique double-layer filtration system, the French origin of molecular sieve can effectively filter the air in very fine particles to obtain high concentrations of pure oxygen. The anions can help people release. It is suggested to be used by the elderly, pregnant women, office workers, students, etc..Parameter:Determination of oxygen concentration: more than 40% 1L / min.Inhalation mode: nasal suction inhaler Spray rate: 0.2ml / min.Anions: about 300,000 / cm3Noise: 45dB (measured at a meter away from the product)Working pressure range: 83KPaColor: White and BlackBatteries Included?: NoPackage Dimensions: 29.5 x 21 x 7.8 cm; 11.6*8.3*3 in.Net Weight: 1.88kg; 4.1(lbs); 66.3(oz) Gross Weight: 2.4kg; 5.3(lbs); 84.6(oz)Features:1. Oxygen Concentrator Unique design: One key to start, with bright LED lights.2. Double-layer air filter ensure the air input is clean.3. High-quality molecular sieve can create high conce
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