Features: [USB ChargingLow Noise ]Use USB power supply, any adapter, home computer can be applied. The working sound of the humidifier is lower than 35db [Cool Mist]Safely moisturizes the air for continuous operation so you can breathe easy and get more restful sleep. [Colorful Light]This personal humidifier with 7 color-changing LED lights can create a warm and romantic environment. [Lightweight]Portable and small design is very easy for you take to anywhere and perfectly fits for car, bedroom,office, etc. [Mini SizeCute ] Mini size, the capacity is 130ML. With pet series cute appearance, cow, cat, pig, deer, rabbit are optional.