This RJ11 to RJ45 adapter is made of premium materials, ensuring long-lasting use. Featuring ABS and copper material, it boasts high durability and is not easily deformed. Fine workmanship ensures practical application. This RJ11 to RJ45 adapter makes network conversion easier and smoother. Features: -Color: Black -Material: ABS, copper -Size: 4500.00X1.00X0.10cm/1768.50X0.39X0.04in - Phone RJ11 6P4C female to Ethernet RJ45 8P8C male adapter. - Durable materials help you maintain good signal transmission and sound quality. - Easy to use, connect analog telephone equipment (telephone, fax, caller ID) via Ethernet socket. - The wire connection is firm, the contact is stable, and the transmission efficiency is higher. - Exquisite workmanship, reasonable structure, professional and practical, can provide you with convenience. Packing list 2 x rj11 to rj45 adapters