1.convenient to carry,with essential oils 2.car,household,portable used. 3.USB interfaces. Detailed Product ... With Essential Oils? YesDesign 2011 New ModelMist Output Direction Adjustable Output Direction outler AvailablePotable&Household&Car Use Available Water Shortage Indicator ... -50 square meters,with water bottle use8.For home,car,waiting room,bedroom,outdoor,tabletop,pottable use.9.OEM ...