New Leak-Proof Design: Personal air cooler Totally-enclosed 300ml capacity with silicone ring Swivel Bottle Cap secure to use, no worry about leakage. Equipped with a small water drawer in the machine. The water will flow into the water drawer. Extra Water in the cotton should be poured out and squeezed out Energy-Saving and Fluorine-Free: The mini evaporative air cooler does not use refrigeration or chemicals to cool the air. Low energy consumption, the same as the energy consumption of a light bulb. It can humidify the air and moisturize the skin by ultrasonic atomization technology. If you add ice-cubes, a desktop air conditioning fan can quickly reduce skin surface temperature 70Automatic Swing & Space-Saving: Featured with 70-degree oscillation left to right automatically, blowing the cooling wind to the area you want. The air cooler for the room would bring greater air circulation, which is more energy-efficient. Delivers wind at wide-angle, designed for personal space cooling Larger Heat Dissipation Area and Faster Heat Dissipation Effect: portable air cooler uses a larger air outlet, and its heat dissipation area is twice that of a traditional desktop fan, providing uninterrupted and a Powerful heat dissipation effect. Enlarging the air inlet can reduce wind resistance and run quietly without affecting sleep, study, and work Attention: Add running water or mineral water, not distilled water or purified water; can be added water-based essential oils or perfumes during aromatherapy, not oil-based essential oils. Please be to use a 5V/2A adapter Colour:White Material:Plastic Size:148x192x280MM Package Contents: 1 set * Evaporative Air Cooler 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.