Used Microsoft Surface Dock. (Note: This is not Dock 2.) In my subjective opinion, it's in generally good condition without major scratches or damage, but please understand that it's used, so there may be some minor scratches or scuffs. The material tends to attract scratches and dust easily. Upon listing, I confirmed that all ports (Display Port X 2, USB X 4, LAN, Audio jack) are working. Compatible models (Please be sure to check the manufacturer's website.): Surface Pro (11th Gen) Surface Pro 10 for Business Surface Pro 9 (all models) Surface Pro 8 Surface Pro 7+ Surface Pro 7 Surface Pro 6 Surface Pro (5th Gen) Surface Pro 4 Surface Pro 3 Surface Pro X Surface Laptop (7th Gen) Surface Laptop 6 for Business Surface Laptop 5 (all models) Surface Laptop 4 (all models) Surface Laptop 3 (all models) Surface Laptop 2 Surface Laptop (1st Gen) Surface Laptop Go 3, Go 2, Go Surface Laptop Studio 2, Studio Surface Book (all models) Surface Book 2 (all models) (I have used it with Surface Book 3 as well) Surface Go 4, Go 3, Go 2, Go Cleaned with alcohol, etc., before listing. Product Information: When using your Surface PC at home, you can connect a single connector to provide power, connect external monitors, keyboards, and mice, making it convenient to use. ◎ Please be sure to check the product condition in the photos. ◎ Includes Dock body (1661), AC adapter (1749), and AC cord. ◎ Simple packaging, using Yu-Packet Post. If you require more secure packaging, please be sure to inquire before purchasing.