This Amazon Renewed product will be in an unboxed or refurbished condition and has been professionally inspected and tested by an Amazon qualified supplier. Box and accessories may be generic.Your speakers get power from the USB port on your laptop or netbook, so no wall plug is required.The speakers receive audio through a standard 3.5 millimeter plug, so you can connect your laptop or netbook.The compact size does not take up a lot of room on your table or desk, so it's easy to move your speakers from room to room.Cable management helps eliminate cord clutter, so your desk stays tidy