Surf The Internet In Two Place-- This RJ45 Splitter Connectors Coupler Convert And Increase Your reticle connection from 1 To 2 sockets,then you can use your computer or laptop in two room or place. Extend Short Cable-- It can easy to deal with the connect problem when your cable is too short Matching Problem-- If you connect to two device,you need use two adapter to connect like the picture show,if you only use one adapter,the two device can't surf the Internet at the same time! Transmission More Stable-- Eight Core Gold-plated Needle Core: Using gold pated needle core,Transmission signal is more stable.It is superior contact and transmission performance to ensure that the signal transmission.