This glitter USB fan is equipped with soft plastic blades on which LED light is installed. When spinning, it gives a series of message in LED light. A total of 28 letters (including space) can be given in 2 time sections (maximum 14 letters per message at each section) and they can be presented in various effects. There are 2 colours--yellow and red for your option of flash light. Product life can last for over 5 thousand hours, and the supporting tube is adjustable for the change of the fan directions.