... ionization in air ,to produce 98% pure oxygen ,matched with oxygen infusion jet ,oxygen sprayer and oxygen scent ,not only acts on the face ... is the latest facial treatment ,guests covered with transparent oxygen mask to lose oxygen making facial skin at the same time when ... headache ,irascible ,fatigue ,etc.Technology parameter:Power:350WOxygen purity>/=98%Oxygen flow rate:1-3L/minVoltage:220v/110v