USB to RS-232C conversion cable with a 9-pin connector. - Connector Type: USB to RS-232C - Cable Length: Approximately 60cm - Pin Count: 9-pin Thank you for viewing. This item was found while organizing. It was opened for photography and measurement, but it is unused. I don't know the details, so please purchase after looking at the photos. Please understand that this is a used item that has been stored at home for a long time. Please note that we cannot accept claims or returns after purchase.