- Handheld Mini Air Conditioning Fan: This USB portable cooler fan is ideal for home, office, and school use. It's also perfect for travel, camping, hiking, and various outdoor activities. Crafted with high-quality materials, it ensures durability and performance. - Convenient Power Options: Equipped with a built-in rechargeable lithium battery, this fan allows you to enjoy cool air wherever you go. You can also connect it using the included USB charging cable via a computer, car charger, power bank, or 5V wall USB charger. Stay refreshed during long, hot summer days. - Versatile Design: The fan features a built-in T-shaped support for stable desk placement and comes with an exclusive lanyard for easy neck hanging. Its compact size makes it easy to fit in your pocket, handbag, or backpack, ensuring you can take it anywhere. - Innovative 2-in-1 Functionality: This fan not only provides air circulation but also functions as an air conditioning unit. It effectively cools the air by 3-5 degrees using a water-cooled sponge. Simply moisten the sponge without overflowing, and it will blow cold air infused with water vapor. For added relaxation, a few drops of essential oils can be added to the sponge, transforming it into an aroma diffuser and humidifier. - Practical Use Scenarios: - Use it at your desk during hot workdays to maintain comfort and focus. - Take it along while camping or hiking to stay cool and refreshed in the great outdoors. - Hang it around your neck during outdoor activities to enjoy a constant breeze while on the move.