Dell 96NP5 is an external USB-C to RJ-45 adapter dongle that adds a wired network connection to a compatible computer. Connect its USB Type-C interface to the computer and attach a LAN cable to the RJ-45 port.
The adapter supports Gigabit Ethernet at 1000 Mbps, providing a wired network option for portable systems without a built-in Ethernet socket. The listing describes it for Ultrabooks and other compact systems, and states that a built-in driver can prompt for installation on first connection.
The listed compatible Dell systems are Precision 5540, Precision 5530 2-in-1, Precision 5530, XPS 12 (9250), XPS 13 (9350), XPS 15 (9550), Precision 15 (5510), Precision 15 (7510), Precision 17 (7710) and Precision 5520.