little fan usb mini fan 5-inch 6-inch 8-inch desk fan desktop student office desktop little fan

[5-inch dark blue] first gear(【5寸深蓝】一档) [5-inch white] first gear(【5寸白色】一档) [6-inch dark blue] second gear(【6寸深蓝】二档) [6-inch white] second gear(【6寸白色】二档) [6-inch sky blue] second gear(【6寸天蓝】二档) [6-inch black] second gear(【6寸黑色】二档) [8-inch orange] second gear(【8寸橙色】二档) [8-inch black] second gear(【8寸黑色】二档)

usb plug-in type(USB插电款) usb plug-in type + extension cable(USB插电款＋延长线)