To customers: life is full of surprises. Package Includes: 1 x user manual1 x cotton stick1 x usb power cable1 x humidifier Item Name: Humidifier Material: electronic_component Applicable Area: 15-20 Square Meters Tank Capacity: 240mL Spray Volume: 30-40mL/h Noise: ≤30dB Working Current: 500mA Input Voltage: DC 5V Operating Hours: 6-8 Hours Specifications: Large capacity water tank allows that the humidifier can work for a long time. Mute operation makes no disturbance to your sleep and work. Smart chip provides auto-power off protection, which is safe to use. Mini compact humidifier is easy to be carried everywhere. Made of premium ABS, PC and electronic component material, the air humidifier has high performance. Diameter of the humidifier is 7.2cm and height is 10.4cm. It is suitable for home, office, classroom, etc. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. We strive for excellence. And hope you have a nice day!