ETONG 6 Inch Portable Fan AA Battery Powered USB Table Fans 2 speed 6-Inch Cooling Desktop Fan Electric Personal Fans Box Fan Table Fan (White) 2 speed choices with side control switch. Can be used as personal fan or laptop cooler. Dual Power sources: Plug-in with the USB cable to connect computer, AC adapter, power bank or use 6 AA batteries (Not Included). Made by DC brushless technique, quiet, lower power consume. Titled angle adjustable, easy for carrying. Can be placed on table, hanged in wall or slung as ceiling fan. Light weight, only 0.5kg, portable and convenient. Occupy small room, somple style&prctical. Best for home and office to keep cooling.