You can choose the free time, sleep or work time that best suits you. And the built-in colorful soft LED lights can not only create a romantic atmosphere, but also help you sleep better. You can set the air cooling fan to one color, 7 color cycle modes, or just turn it off Easy to use and leak proof This personal air cooler is easy to use. Just add water, connect the device and turn it on. Large leak-proof water tank prevents water from escaping effectively. This air cooler is suitable for all rooms, offices, travel, camping. We recommend using this product in tight spaces as it is suitable for personal use. Not suitable for the whole family. Environmental protection and energy saving Our small air conditioners are environmentally friendly and energy saving. With it, you can easily take the mini air cooler with you, even outdoors when your family is on vacation