Cavo prolunga da RJ11 A RJ11 cavo telefono cavo spina telefonica lungo 5 piedi
RJ11 TO RJ11. ★ Both ends are durable RJ11 6P4C male connectors, 3 prong design, gold plated pins. ★ 4 wires flat phone cable and standardly reverse wired for voice use. Hope not to bring you trouble.