Thank you for viewing! ・The Usb 2.0 9Pin HUB to 2 Usb Port Card is a device for expanding the number of Usb ports on a computer. It typically connects to the Usb 2.0 header on the motherboard and provides two additional Usb ports for connecting Usb devices. ・I am not sure of the details. ○ This is a new, unused item, but it has been stored at home! Please refrain from purchasing if you are sensitive to this. ○ It has been opened once for photography. ○ There is no warranty! ○ If there are any defects, please be sure to contact us before leaving a review! We will not accept inquiries after a review has been left. ○ Although it is unused, it has been handled once, so we are listing it as "Like New." Please understand.