4 inch Plastic usb fan 1.DC brushless motor 2.Voltage:DC 5V 3.Power:2.5W 4.MOQ:1000 1)Model---4 Inch plastic usb fan 2)MOTOR---Brushless motor3)Current---500mA4)Voltage---DC 5V5)Applicable for---Computer,USB electric appliances,in car6)Adopts stainless steel screws,durable ,never rust7)Economize on energy, environmental protection, low noise, apply life span to growNotice---The product ...