TOOGOO(R) 6P4C RJ11 Male to Female Two Way Telephone Splitter Converter Cable Product Name : Telephone Adapter Type : 4 Pin RJ11 Dual Socket to 4 Pin RJ11 Plug Case Size : 2.7 x 2.1 x 2.1cm/ 1.1" x 0.83" x 0.83"(L*W*H) Cable Length : 17cm/ 6.7" External Material : Plastic