german ww 2 radio adapter on gd con ?? For Sale

The product is an original German WW II radio adapter used during the time period of 1939-45. This collectible item falls under the theme of militaria and was produced in Germany, making it a unique and historical piece for collectors interested in personal field gear from the era. The adapter is a tangible piece of history that can offer insight into the technology and practices of the German military during World War II. I think this is what it is. I am not sure