... facial treatment, guests covered with transparent oxygen mask to breath oxygen, to make skin rejuvenation treatment at the same time. ... 400WFlow setting: 0.5 to 5 liters/minOxygen performance: 0. 5 to 3L/min, 95%±3%, 3 to 4L/min, 90%±3%, 4 to ... 49kgDelivery time: 3-5 business daysFree training: online service to tell you how to use the machineWarranty: one yearAccessories: Oxygen pour jet 1Oxygen ...