8Pcs RJ11 6P4C Male to 2 Ports Female Telephone Line Splitter Adapter Converter
Description:Converts a single phone jack into two jacks so you can connect in two devices such as telephones, fax machines, modems, answering machines, etc.2.6 x 2.1 x 2.6cm / 1.02 "x 0.82" x 1.02 "(L * W * H).