Product information:Product category: USB humidifier, aroma diffuserColor: white and blue, white and powder, white and green, white and yellow, white and blackFunction: Fresh airPacking: opp bag packingAppearance: similar to U disk, the size of ordinary U disk, approximately: 60mmx18mmx8mmInstructionsFirst drop a drop of essential oil on the chip [ie the circle on the volatilizer], and then apply the product Insert it into an electrical appliance with a USB flash drive socket, such as a computer. It can be used after plugging in.NoteYou can use a variety of fragrant essential oils, easy to usePacking listAroma Diffuser x1Straw x1