Mini Portable USB Electric Table Desktop Fan with Blue LED Temperature and Words Display Mini Portable USB Electric Table Desktop Fan with Blue LED Temperature and Words Display The Clock Fan is a USB fan with special blades that display LED temperature and words Real-time temperature display. Work as a thermometer, LED temperature will shows when the fan is rotating And "BE COOL", "I LOVE YOU", "TAKE IT EASY", "HOT SUMMER" 4 set of words display in turn