... car,room and so on ,accrue Negative ion,can fill perfume,have fan can take the Negative ion and ... perfume emission more farther and and flareout.Air refresherProduct Series OLA-005External DimensionΦ104*43mmVoltageDC12VNegative ion ... room air ,eliminate dust,Eliminates thestink and formaldehyde,sterilization,improve sleep. can fill perfume. have compass function. Air Purifier(auto air purifier ...