Abstract: The present invention provides a multi-functional rolling apparatus, it basically has a rolling box and possibly combines with other electronic devices like another rolling box or computer connecting ports, card reader units, power extending outlets, WLAN transmitters and networking video cameras to possess multi-function effects. The rolling part has the reed inside the rolling box and has a signal conducting cable on the outer winding, and the box bottom has an elastic buckle for pulling, fixing or retracting signal conductive cable without pushing buttons. The present invented case is capable of having a combinational rod to combine the attractor or magnet as an attracting accessory.

Abstract: A multiple-function hanging and fastening device has multiple functions of an attracting magnet, a sucking sucker and a tightening screw, characterized in that, at least one side of the device has a magnet and a rubber sucker, for selective sucking on to a computer, electrical appliance, decorated wall surface, a metal panel of a car or a piece of furniture, a glass panel or a smooth plate, and selectively, a magnet and a rubber sucker are installed on a same side to increase its suction performance, and the outside or structural body of the casing is provided with a screw hole permitting the insertion of a screw to fasten onto an ordinary wall surface, and, one of accessories, including a hanging hook, a Velcro band, a wire bundling band and a multiple-function gripping palm figure, can be combined onto the main unit to extend its range of applications, obviously, its structure and applications have multiple functions and convenience.