This appears to be an adapter of some kind. If you know what it is, please consider purchasing! ・Please understand that this item is stored at home and will be shipped with simple packaging. ・This is a new, unused item. ※To keep the price low, and due to shipping costs, the item will be shipped without the box. 19.5V AC Adapter Compatible Notebook PC-AC Adapter Power Supply PC-Laptop-Tablet Slim Smart AC Adapter 40-481999,,,,,,