... 4)Good USB cooler&gif SpecificationsUSB fan 1)Ultra-quiet office fan 2)Optional fan colors 3)Portable,free angle adjust ... 1.2300RPM speed,96mm blade diameter, new DC brushless motor, strong wind, super quiet. 2.5V USB(cable ... 3*146.5mm,weight: 144g ,easy to carry. 8.Fan occupies small room, stable structure, easy to place. 9 ... 2.1±0.25WCable length: 1.2M Mini USB Fan / Hand-Held Air Condition Fan