Plug-and-play - Easy setup with no configuration or no software needed Nice small - 96x66x23mm( LxWxH), also can be a home ornament. Ethernet splitter - Connectivity to your router or modem for additional wired connections (laptop, gaming console, printer, etc. ) 5 port Gigabit Ethernet - 5 10/100/1000 Mbps Gigabit auto-negotiation RJ45 ports greatly expand network capacity, support Auto MDI/MDIX Reliable - IEEE 802. 3x flow control provides reliable data transfer Auto-negotiation - supports Auto-MDI/MDIX, eliminating the need for crossover cables