product Descriptioncreate A Peaceful And Calming Haven Anywhere With The Portable Aromaworks Usb And Battery Powered Aroma Diffuser. Elegant And Aesthetically Pleasing, It Delights Your Sense And Adds Luxe To Everyday Living. Convenient For Taking On Your Travels Whether It Be Business Or Pleasure, This Aromaworks Diffuser Has Soft Mood Lighting, Whilst The Essential Oils Are Diffused By Ventilation From The Small Fan, Eliminating The Need For Water Or Electrics. The Diffuser Is Powered By Either A Usb Cable, Or Aaa Batteries.how To Useadd 5 - 10 Drops Of Your Favourite Essential Oil To The Usb Diffuser Pad.