Uxcell RJ45 Plug to BT RJ11 Secondary Splitter Telephone Adapter Product Name : Master Telephone Adapter; Plug Type : Male RJ45 (8P4C);Socket Type : Female BT (6P4C) Female RJ11 (6P4C) : Female RJ11 (6P4C);Material(External) : Plastic Size : Size; Socket Case: ~2 1/16" x 15/16" x 3/4" (LWH) : Socket Case: ~2 1/16" x 15/16" x 3/4" (LWH) Cable Length: ~4 1/2" : Cable Length: ~4 1/2";Color : White Weight : 17.2g;Package Content : 1 x Male RJ45 to Female BT RJ11 Telephone Adapter