The portable Cooler is a mini air-conditioning fan.It delivers continuous evaporated cool air flow to keep you cool anytime and anywhereFeatures:Applied with evaporative cooling technology which can make cool air90 degrees rotatable turbine wheel allows you control the direction of the cool blastWith strong wind，can cool down 3-5 degreesMini hand-held designed，perfect for indoor or outdoor use3 modes of power supply:Powered by 4 x AA batteries(not included) / USB power / directly powered by AC adapter(not included)2 Working mode:air cooler (after making the sponge absorb water) / normal blowingComes with one piece of reusable sponge to absorb water for cooling air.You can add few drops of essential oil for fresher airPlease note that the fan is not waterproof，make caution when usingWith a 65ML water bottle and a removable hand grip for convenience.Specification:Material:ABSSize:6.5 x 3.5 x 16cmColor:BluePackage:1 x fan1 x small bottle(65ML)1 x usb cable1 x user manual