This is the USB 5Gbps Type-C to LAN adapter USB-CVLAN2BKN, which converts a USB 5Gbps Type-C port to a Gigabit Ethernet LAN port. I am selling this due to a change in my gadgets. This product was purchased new in September 2022. I kept it as a backup in case of Wi-Fi failure, but I have only used it twice, during OS maintenance. Manufacturer: Sanwa Supply Product Name: USB-CVLAN2BKN Type: USB3.2 Type-C to LAN Compatible Devices: Windows PCs, Apple Mac series, Nintendo Switch™ Reference Price: ¥5,060 (tax included) Although this product has been used very little, please consider purchasing it if you understand that it is a used item.