Evaporative technology: Portable draws in hot air, cools it down quickly through water evaporative , provides humidified and cold air for your personal space, adjustable multi-directional air outlet design, if you add some ice water, it will Efficiently cools the hot air around you.3-block wind speed adjustment: 4-in-1 multifunctional design, not only a cute , but also a mini fan, humidifier, LED decorative lights, circulating colorful atmosphere lights can easily find it at night, the effect is remarkable , which can help you sleep better.Portable and Quiet: This mini fan is designed to be lightweight and does not take up space, so it can be easily carried, suitable for home, office, outdoor picnic, camping, etc. It is very quiet (40db), even if you are reading in the library, you don't have to worry about the sound disturbing you and the people next to you.Energy saving and power saving A+++: Does not contain harmful refrigerants and does not use a compressor like traditional energy-consuming s, this small works for you with a rated power of 3W, which is very energy efficient compared to window s electricity while protecting the health of your family.Built-in 3600mAh lithium battery: The battery has a long battery life, which is different from the traditional fan plug-in method. When you use the USB cable to fully charge this fan with water , the 3600mAh water tank capacity can supply power for a whole day (24H). Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!