Product Name: CalDigit Thunderbolt Station Model Number: CTS-US-60 I was using this connected to an iMac via Thunderbolt. I purchased it new and have been using it, but I am selling it because I am getting a new Mac. The included accessories are as follows: ・CTS-US-60 main unit ・AC adapter ・Box ・Thunderbolt cable (50cm) Features: It has USB 3.0, audio input/output, HDMI, and an Ethernet port, as well as two Thunderbolt ports for the host side and expansion devices for further expandability. Thunderbolt is version 1. Catalog https://archive.caldigit.com/thunderboltstation/index-jp.html ・Connectors 2 x Thunderbolt 3 x USB 3.0 1 x Headphone output 1 x Microphone input 1 x HDMI output 1 x Gigabit Ethernet port You can download the manual and drivers here: https://downloads.caldigit.com/#collapseTwelve There are some scratches on the back (see photo 5). There are no operational problems, but please understand that this is a used product.