... fan motor 1.Working voltage:5V 2.Current :550mA 3.Rotation speed :2300RPM 4.Power: 2.5W 1)Model: 5V 4inch DC fan ... %3)Current:550mA4)Voltage:DC 5V5)Applicable for:USB Fan, USB mini Fan,Computer Fan, Mini Fan6)Economize on energy, environmental protection, low ... request or customer's sample produce 5v 4inch usb electric fan motor