Description This rj11 to rj45 adapter is made of premium material, which can withstand long-lasting use. Features the ABS and copper material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This rj11 to rj45 adapter will make network conversion easier and smoother. Features -Color:Black -Material:ABS, copper - Size: 18.00X2.20X1.50cm/7.07X0.86X0.59in - Size: 18.00X1.30X1.10cm/7.07X0.51X0.43in - Phone RJ11 6P4C female to Ethernet RJ45 8P8C male adapter. - Durable materials help you maintain great signal transmission and sound quality. - Easy to use, connect analog phone equipment (telephone, fax, caller ID) via Ethernet jack. - The joint connection is firm, the contact is stable, and the transmission efficiency is higher. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience. Phone RJ11 6P4C female to Ethernet RJ45 8P8C male adapter Durable materials help you maintain great signal transmission and sound quality Easy to use, connect analog phone equipment (telephone, fax, caller ID) via Ethernet jack The joint connection is firm, the contact is stable, and the transmission efficiency is higher Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience