Features: INNOVATIVE AIR COOLING TECHNOLOGY: The 2-in-1 fan and humidifier cools warm air through an evapourator filter, releasing cool air back into the roomSMALL YET POWERFUL: The compact fan (14x14x12cm) cools the air around you for up to 4 hours at a time and gives you 3 blower settings to choose fromPOWERED BY USB: The portable design and USB power cable means you can have your own personal air conditioning unit at your deskEASY TO CLEAN: The water tank is a removable bottle which makes for particularly easy cleaning2-IN-1: Use without the water bottle as a table top fan or add the water bottle for up to 4 hours humidified cooling