Humidifying Capacity : 30ml/h Model Number : air humidifier Shape : Commercial Square Application : <10㎡ Power Type : USB Use : USB Function : Aromatherapy Mist Outlet Quantity : One/a Classification : Humidification Water-shortage Power-off Protection : Yes Installation : USB Certification : EMC Type : Cool-Mist Impeller Humidifier Noise : <36db Humidification Method : Mist Discharge Capacity : <1L Voltage (V) : 5V Power (W) : 5w Origin : Mainland China battery : no flavoring diffuser : essential oil diffuser aroma humidifiers : air humidifier Use caution 1. This is a diffuser, no need for any cotton swabs, you can add non-corrosive essential oils to diffuse the aroma. 2. Please make sure to use a 5V2A adapter for power supply, otherwise the circuit may be damaged. 3. Please make sure that the water level is below the MAX line, please do not let the water enter the ventilation duct, otherwise it may damage the circuit. 4. It is recommended to add essential oils. Please do not add perfume and cologne. ParameterPower supply: plug in the USB cable (please use 5V2A for power supply) Water tank capacity: 180ml Atomization amount: 15-20ml/h Use time: 9-12 hours Products include 1. Diffuser*1 2. Instructions for Use*1 3. USB line*1 Dear friends, encounter products will not operate the problem, first temporarily do not rush to open the dispute, you can first try to contact me, we will do our best to help you solve the problem. Points to note: just get your hands on the humidifier, sometimes it will only light up but not work, it may be caused by the lack of voltage of the plug, this time you just need to replace the plug to solve the problem.