1.USB connection when without Battery 2.Spray water and store water 3.Mini,portable 4.We are the manufacturer, factory price. 2013 NEW Product Multi-function USB Mini Water Spray FanModel No. KS-501Function:USB connection Perfect for outdoor activities, sporting events and traveling.Great gift for moms, dads, grads and loved ones.For best performance, use fresh alkaline batteries (AA size, 2 ...