Smart Aromatherapy Machine Bluetooth Control 10 Gears Long Lasting Wall Mounted Essential Oil Diffuser 100ml Item Type: Smart Essential Oil Diffuser Material: PP Size: Approx. 148 x 58 x 158mm / 5.8 x 2.3 x 6.2in Wall Hanging Hole Distance: 90mm / 3.5in Power Supply: Battery, USB, choose one of the power supply methods Battery:1 x D battery 1.5V(Not Include) USB Power Supply: 5V(Without Cable) Coverage: 90m³ Function: Aroma Usage: Wall mounted, desktop Capacity: 100ml(Without Liquid) Operation Mode: Bluetooth mode Places: Hotel, family, hot spring Resort, sauna, SPA, KTV, leisure club Problems and Solutions: No atomization: 1. Check whether the power switch indicates that it is flipped correctly 2. 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 off Atomization 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. Reattach Oil leakage: The bottle is loose, please install the bottle atomizing head sealing gasket is broken or missing Spray liquid: Atomizer head is damaged, replace the new atomizer head machine tilt or lie flat Abnormal 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)