Handy Solution: Allows you to connect the phone line over an Ethernet cable and still have an opening to plug in Ethernet High quality: The Telephone Splitter 2 Way Female to Male Adapter is made of high-quality and durable plastic materials, the crystal head adopts high-quality crystal head, pure copper contact pin, contact for a stable signal Easy to Use: Easy to plug and play, avoiding complicated circuits, a shorter cord lends itself to entering a tight spaces NOTE: Please check the adapter type you need carefully before buying Package include: 2* Male RJ45 8P8C to Female BT RJ11 Telephone Adapter