Simply fill the 500ml tank with water or ice cubes, plug it into any USB power source, and enjoy the cool, clean air. ???? Add Water or Ice – 500ml tank for extra cooling effect. Tank Capacity: 500ml. Stay cool wherever you go with this 3-in-1 Portable Mini Air Cooler – the compact personal air conditioning unit that not only cools but also humidifies and purifies the air around you.
