BXT Portable Mute Battery/USB Power Personal Air Condtioner Mini Fan Summer Sports Travel Handheld Bladeless Pocket Air Refrigeration Cooler Home Office Desk Laptop Aroma Diffuser Cooling Fan Superior Abs+ Electronic Components With a built-in back support for hands-free standing. Portable handheld mini design for easy carrying and convenient use. Can be packed in your pocket, handbag, or backpack perfectly. Size: 12*7*3cm. Weight: 102g. Featuring lightweight, mini, portable and quiet design. Powered by built-in environmental rechargeable lithium battery or USB charge source. One button operation for switch on/off. Just plug the USB cable with your laptop/netbook/desktop/power bank or any USB socket for high air flow &enjoy cooling function. Just take it along with you anywhere&anytime once you fully recharge the lithium battery. Long working time, low power comsumption for constant use. Unique dual-mode of fan and air-conditioning refrigeration, which can effectively cool down 3-5 centidegrees. Cooling effect is even better with freezing the sponge after water absorption. Wash inserted sponge with soap and water before first use. Can be functioned as an aroma diffuser humidifier when you add a few drops of perfume oil in the sponge. Best used in hot and dry environments, especially for searing Summer season. Humidifies air and alleviates allergies. An essential cool mini fan for women/men.