Product Description Specifications: Dimension:17.813.69.3CMHLW Water tank capacity: 500ml Net Weight: 320g Color: White/ Green/ Pink Humidification function: Available Charging: USB interface Feature 1.Fast cooling air conditioner: High temperature air passes through evaporative water filter to achieve fast cooling. Efficient cooling, cool circulating air is pushed throughout your body and straight through you for a cooler day. 2.Cordless Air Cooler & USB Rechargeable: The air conditioning fan will be used cordlessly instead of the traditional way of plugging in the cold fan. Cordless use is more convenient. Built-in 3600 mAh lithium battery can supply power for one day. Adopt USB charging method, convenient and fast charging. Perfect for home, school, office , bedroom, car. 3.Humidifying & Purification: The air conditioning fan has humidification and purification functions, effectively blocking the air from large particles of fine dust, dust, etc. Blowing healthy and cool wind. 4.3 Speed & 7 Color LED Light: Portable air conditioner fans have three speeds, the first gear wind speed 5.9m / s, the second 8.9m / s, the third 10m / s.You can choose according to your needs. Built-in LED light beads, a total of 7 colors, you can decorate your home and create a warm atmosphere for you. 5.500ML Capacity & Low noise: Mini air cooler capacity is 500ML, to meet the amount of use a day, reducing the number of times to add water. Using a turbo noise reduction fan that operates at only 20 dB. Suitable for Study, work, sleep, rest.