Three-speed manual adjustment, 1-6L oxygen flow can be adjusted arbitrarily, and two people can inhale oxygen at the same time to easily solve the oxygen demand of the whole family. The luminous touch button can be operated freely in the dark. The unique one-key switch of oxygen spray function, operation It’s very simple. You can start the spray function with just one tap. Oxygen atomization is purer than ordinary air atomization and easy to absorb. It has four functions of air filtration, oxygen production, spraying, and negative ions, making it a high-end household oxygen production. The all-round model of the industry!