Product Description Color Black Material: ABS Package Contents: 2 * Adapters 1. 【High Quality】The cell phone splitter is made of high quality plastic with high hardness, durability and safety. The phone splitter connectors are made of pure copper, which ensures stable signal transmission and clear communication2. 【Two Way Phone Splitter】Both ends of phone splitter 1 to 2 are RJ11 interfaces. 1 Female to 2 Female is used to connect two phones with RJ11 cable to a single phone line. This makes it easier to use standard RJ11 devices3. 【Easy to Use】RJ11 splitter 1 in 2 out is very easy to use. You simply plug your RJ11 cables into the RJ11 port of the phone line splitter4. 【Wide Application】The 2-way phone jack splitter allows two phones to be connected to a single phone line with RJ11 cable. With the telephone cord splitter, not only telephones but also fax machines can be used with your telephony unit, suitable for home, house and office 5. 【Prevent Damage】It prevents you from repeatedly plugging and unplugging network cables when switching network cables. Avoid accidental damage to the network interface when plugging and unplugging.