● This small air conditioner is mostly made of material for health and environmental protection. It only needs to add water or ice to make it cooler.● Easy to charge, give a USB charging cable, you can use the phone charging port to charge, you can also connect to the computer to charge.● Not only can people feel cool, but also humidify the air.● The third gear is adjustable, the first gear is soft and can be used for more than 8 hours. The second gear is comfortable and can be used for 5 hours. The third gear is strong and can be used for 3 hours.Note:§ When adding water, fill it up, don't overflow§ fter adding water, please put the air conditioner on a flat table, do not tilt★ Tips: Due to the different display resolutions, there will be subtle nuances, I hope to understand!★ Manual measurement of the size, the error is 1 cm -3 cm is normal, I hope to understand!