portable fan,usb fan,laptop fan,usb fan,mini fan,desk fan 1.4 inch usb fan 2.Rotational ... USB car fan, portable fan, mini usb fan, portable usb fan, 4" portable fan, cooler fan, USB fan, desk fan Brushless motor ... use.Specification: Model No.UF-401Voltage/Power5V/2W for computer, 12V/3W with adapter useSize of item4 inchSize of ... ×31.5×48cm 4 inch USB Fan/mini fan/laptop fan/portable fan/desk fan/