Car Humidifier, Cool Mist Humidifier Compact Design for Travel for Office for Bedroom Green Specification: Item Type: Car Humidifier Material: Plastic Battery Type: 5V Lithium Battery Built-In Battery Number of Batteries: 1 Battery Capacity: 400mAh Package List: 1 x Car Humidifier 1 x USB cable 1 x User Manual Note: 1,Please use mineral water mineral water/tap water, etc.. It is forbidden to use pure, nozzles to leave water droplets. If you do not use it for a long time, please pour water to avoid peculiar smell 2, This machine is a precise machine, please do not disassemble it by yourself, and do not use hard objects to atomize the chip. 3, When using the humidifier, be sure to install the spring under the absorbent cotton swab, and do not discard the spring. 4, The spray is small or no fog. The general situation is: there is no water in the water tank, the amount of water is insufficient, the entire line of the absorbent cotton swab is not pierced or loosened, and no spring is installed. 5, The spray has a peculiar smell. Solution: Change the water or cotton swabs, or use a small amount of white vinegar to gently wipe the atomizer 6,Use essential oils, add water and shake well, 2-3 drops at a time, do not directly add to the absorbent cotton swab/fog outlet, etc. 7, Add two-thirds of the water tank when adding water. Don't fill it up because it will overflow and cause wiring problems.