Evapolar evaCHILL Air Cooler & HumidifierQuiet & Portable - Cooler for home, office, camping, travel - USB port for easy connection & built-in LED night light.Leak Proof SystemUnique design solutions in the new evaCHILL result in a leak proof system.Impressive Device for Individual MicroclimateAn essential device for office workers who want to control their personal microclimate, thereby increasing comfort, efficiency and productivity.Ideal for travelPerfect solution for travelers and campers as the device works with any USB power supply.Unique and high quality sleep aidIdeal for sleeping adults (including athletes who need high quality sleep) and children who prefer to sleep at set temperatures.