Feature●Phone Cord for Landline: Made from pure copper material, much better than ordinary iron or copper-clad steel telephone wires. This Telephone Cord is 8.5 feet when uncoiled, coiled is 1.2 feet. Suitable for home landline with RJ9 plug 4P4C, not compatible with VOIP phones, not suitable for RJ45 modular plugs.●360 Degree Rotation Phone Cord Detangler: Say goodbye to tangled phone cords with this 360 Degree Rotation No Tangle Phone Cord for Landline.●Plug and Play: Easy installation and removal without the need for additional tools, durable and wear-resistant.●Note: The Landline Phone Cord is used between the handset and the telephone, not between the telephone and the wall socket.●Package Includes: 5 x Telephone Handset Cord, 5 x Telephone Cord Detangler.Description telephone cord and phone cord detangler for desk phone