Branded Facial Care Product,Oxygen Facial Products,Facial Cosmetics Products Used 1.Patented item 2.Keep skin ... water 3.CE/ROHS Branded Facial Care Product,Oxygen ... alkaline dry battery, volume: 300-400ma/h, used for about 60 daysBranded Facial Care Product Using method ... box Branded Facial Care Product,Oxygen Facial Products,Facial Cosmetics Products Used