The Lil Cooler is a personal portable cooling device that uses evaporative cooling technology to lower air temperature around you. Unlike bulky air conditioners or expensive cooling systems, it’s lightweight, easy to carry, and requires no installation or maintenance. You simply fill it with water, plug it in via USB, and within seconds, it starts releasing a refreshing, cool mist ... https://www.theconsumerratings.com/lil-cooler-review/