Uxcell RJ45 Plug to BT RJ11 Socket Telephone Secondary Adapter for Landline Telephone, White Product Name : Master Telephone Adapter;Plug Type : Male RJ45 (8P4C) Socket Type : Female BT (6P6C),Female RJ11 (6P4C);Material(External) : Plastic "Size : Size; Socket Case: 5.2 x 2.2 x 2.1cm/2"" x 0.86"" x 0.82""(LWH),Cable Length: 14cm/5.5"" : Socket Case: 5.2 x 2.2 x 2.1cm/2"" x 0.86"" x 0.82""(LWH),Cable Length: 14cm/5.5""" Color : White; Weight : 19g Package Content : 1 x Male RJ45 to Female BT RJ11 Telephone Adapter