... 2.5W 4.Ultra-thin design,dexterity,easy to carry Mini Pilot USB Clip Fan1.DC brushless motor 2.Voltage:DC 5V ... design,dexterity,easy to carry5.Ultra-quiet fan for office, home 6.Portable,free angle use,great material 1. MaterialPlastic PP & ABS2. Voltage5V3 ... any occasion. 8.Fan occupies small room, stable structure, easy to place. 9.Sofe wind, cool and refreshing, comfortable. Mini Pilot USB Clip Fan