Ruishengda Good Gifts Metal Mini Desktop USB LED Clock Cooling Fan (Displya Realtime Led Clock ,Display Message and Temperture,Metal Design,No Noise,2 Level Speed Control,Good Gifts), 6 Inch, Black 6 Inch Metal Desktop USB LED Fan Display hours, minutes and seconds in real time Detect realtime temperature to display (Degree Celsius Only) Built-in Four messages circular display I LOVE YOU ,HOT SUMMER,TAKE IT EASY,BE COOL(The messages are not editable) USB Plug, DC 5V, Plug and play (No driver for installation required)