USB Mini Air Cooler Portable Desktop Cooling Fan Student Dormitory Air Condition Features With the function of cooling / humidifying / anion, it is cold immediately after opening, and experience different cooling. Once the built-in water tank is full, it can last 8 hours, and the large-capacity water tank can continuously supply water. The water level displays the water-level real-time view, which makes your use more assured. The semi-closed water tank-we try to reduce the opening area of ​​the water tank as much as possible to prevent a large amount of water from gushing when rolled over. The moisture quickly spreads under the action of the wet curtain capillary, and the effect is not discounted even if it is used for a long time. Maintain good cooling and humidifying effects Use: office, living room, kitchen, bedroom, bathroom and home building area. It is small and can adapt to various changes in the scene. The product is simple, simple appearance, no screw design, no need to be afraid of children's mischief! Folding hands saves space and is easy to handle. The silent foot pad X4 reduces vibration and noise and protects the desktop from scratches. We have carried out the noise reduction upgrade. The main sound source is not the motor, but the wind noise generated by the friction between the blade and the wind, which cannot be completely avoided. parameter Product name: cooling fan Power: 3.5W Voltage / Current: 5V0.75Ah Water storage capacity: 200mL Product size 16 × 12.5 × 17CM Packing specification 17X14.5X21CM contain 1x air cooler 1x data cable Kayannuo Bedroom Decor Clearance Usb Mini Air Cooler Portable Desktop Cooling Fan Student Dormitory Air Condition Living Room Decor Features With the function of cooling / humidifying / anion, it is cold immediately after opening, and experience different cooling. Once the built-in water tank is full, it can last 8 hours, and the large-capacity water tank can continuously supply water. The water level displays the water-level real-time view, which makes your use more assured. The semi-closed water tank-we try to reduce the opening area of ​​the water tank