A network adapter that converts USB 3.0 to SFP (only compatible with 1 Gbps) SFP ports can be added to Windows PCs or laptops without wired LAN ports. There is a line scratch on the bottom. *SFP module and 5V power adapter are sold separately. (FUJISAWA KOSHI)
Accessories: original box
Key specs: https://www.oliospec.com/shop/shopdetail.html?brandcode=000000010613&search=USB-SFP&sort =