Product Description Are you still worried about the high electricity bill after forgetting to turn off the desktop fan?Are you still worried about water leakage damaging your electronics while using the air conditioner fan?Are you still worried about the portable air conditioner can't be taken while traveling?You can choose this portable air cooler.★★This air conditioner fan has 3 in 1 function, 12 hours timer, water tank Large capacity 500. ML, portable design to provide fresh and cool air during this summer. Timing & 12 Hours Energy Saving - With 12 hours timer and power less than 5W, you can fully enjoy your working or sleeping time and no need to worry about high electronic bill anymore. 500ML LARGE CAPACITY WATER TANK - This evaporative air cooler with 500ml large capacity water tank and anti-leakage function, keep it away from water leakage damage, perfect for this summer. MULTIPLE POWER SUPPLY - With 4 AAA batteries and USB source, you can easily charge your personal mini evaporative cooler anywhere, even charge it through computer while working outside. No need to worry about power failure anymore. 3 in 1 Portable Mini Air Cooler - This personal air conditioner fan can not only work as a regular desk fan but also as a mini air conditioner and humidifier. Choose your comfortable position to enjoy this summer. 2 SPEEDS & ADJUSTABLE DIRECTION - This air conditioner fan with 2 speeds and adjustable air outlet, you can customize the most suitable mode to enjoy the fresh and cool air.