Maybe you"re always on the go and not sure about using WiFi because of security issues? Maybe your laptop doesn"t have a built-in wireless connection? Here"s your cable! Use this Ethernet cable to connect to a network through an RJ45 jack. This sleek little cable fits into your laptop case much more nicely than a bulky looped cable would! Ideal for mobile professionals, college students, and those who like to travel light! Supports up to 100Mbps.