1.Handheld mini air conditioner fan. USB portable cooling fan for home, office and school, also great for travel, camping, hiking and other outdoor activities. Brand and high quality. 2.Powered by built-in rechargeable lithium battery. It is very convenient to carry anywhere and anytime; or connect the USB charging cable (included) via computer laptop, car charger, power bank, 5V wall USB charger, 5V solar charger, etc. Bring you cool air in the long and hot summer. 3.Built-in T-shaped bracket, can stand on the table with both hands; equipped with exclusive lanyard, can be hung around the neck for easy movement. Small and compact design, perfect for your pocket, handbag or backpack. 4.Unique fan and air conditioning cooling two-in-one mode, can effectively cool down 3-5 degrees, the water cooling sponge body only needs to be wetted occasionally (keep the water from overflowing), and then it will blow out cold wind with water vapor; add a few drops of essential oil on the sponge, it can also be used as an aromatherapy humidifier.