Product DescriptionColour: BlackMaterial: ABSPackage content: 2*Adapter 1.High Quality The wireless phone splitter is made of high-quality plastic material, with high hardness, durable and safe. The plugs of telephone splitter are made of pure-copper, which ensures stable signal transmission and clear communication 2.Two way Phone SplitterBoth ends of phone splitter 1 to 2 is RJ11 interface, 1 female to 2 female is used for joining two telephone with RJ11 cable to one single phone line, makes it more convenient to use standard RJ11 devces 3.Easy to Use The rj11 splitter 1 in 2 out is very simple to use. You just plug your RJ11 cables into the RJ11 interface of phone line splitter 4.Wide Application The phone jack splitter 2 way can be used for joining two telephone with RJ11 cable to one single phone line. The phone cable splitter can be used not only telephones but FAX machines with your telephony unit, suitable for home, house and office 5.Prevent damageIt prevents you from repeatedly plugging in and unplugging network cables while switching the network cable. Avoid accidental damage to the network interface when plugging in and unplugging it.