technical parameter:Power: AC110V (non-battery powered)Input power: 100V.Oxygen concentration: 30%-90%.Oxygen flow rate: 1-5 L / min.Weight: 7.5kg.Size: 27 cm * 17.5 cm * 29.5 cm.Working noise level: 43dB (A).For people:White-collar women: skin care, skin nutrition and elasticity maintenance, reducing sub-health status.Pregnant women: Helps the development of the fetus.Merchants: Relieve physical and mental stress, improve physical fitness, reduce sub-health status, and improve work efficiency.Students: Improve memory and reduce mental fatigue.Highland travel enthusiasts: reduce the symptoms of high altitude hypoxia.Note: This product is not suitable for medical use.
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