Features1Adjust Gear: Aromatherapy diffuser with 10 gears, 1.5?15 seconds atomizing interval time, meet your fragrance requirements for room space. 2Multifunction: Smart essential oil diffuser adopted nano atomization, smart Bluetooth control, and essential oil fragrance, which is easy to use. 3Freely Install: Aroma diffuser humidifier can be placed on the desktop or hung on the wall to save space, which is suitable for multiple scenes. 4Comfortable Place: Essential oil diffuser provide long endurance and low noise, which can create an aromatherapy environment for living. 5 PP: Aromatherapy diffuser shell made of PP material, thickening and strengthening for more durability, with safety lock for convenient use.SpecificationItem Type: Smart Essential Oil DiffuserMaterial: PPSize: Approx. 148 x 58 x 158mm / 5.8 x 2.3 x 6.2in Wall Hanging Hole Distance: 90mm / 3.5inPower Supply: Battery, USB, choose one of the power supply methodsBattery:1 x D battery 1.5V(Not Include)USB Power Supply: 5V(Without Cable)Coverage: 90m3Function: AromaUsage: Wall mounted, desktopCapacity: 100ml(Without Liquid)Operation Mode: Bluetooth modePlaces: Hotel, family, hot spring Resort, sauna, SPA, KTV, leisure clubProblems and Solutions:No atomization:1. Check whether the power switch indicates that it is flipped correctly2. Check if the machine stops atomizing during "non working periods"3. The gas pump is damaged, replace the new gas pump (this step requires disassembling the machine)4. Check whether the gas pipe of the machine or atomizer head is loose and falling offAtomization small:1. Atomizing core is blocked, cleanse or replace with a new atomizing core;2. The sealing gasket on the atomizer head falls off or is damaged, replace it with a new gasket;3. Atomizer tube falls off. ReattachOil leakage: The bottle is loose, please install the bottle atomizing head sealing gasket is broken or missingSpray liquid: Atomizer head is damaged, replace the new atomizer head machine tilt or lie flatAbnormal noise: the gas pump is loose, refix the gas pump, the gas pump is damaged, replace the new gas pump (this step needs to disassemble the machine)Package List1 x Manual 1 x Aromatherapy Machine 3 x Expansion Tube 4 x Screw 3 x Nail 1 x Double Sided Sticker 1 x Key 1 x Wall Hanging Adhesive 1 x Lid