Telephone Cord Features:Color:BlackStructure: Twisted cable with two crystal head and modular plug on both ends.Usage:connect telephone and extention to handsets.Make your phone call and reply more pleasant and convenient.This cable has crystal connectors for clearer communication.Completely strong and durable,easy to install and replace.Coiled length?about 7.5FT (+/-0.02FT)Telephone Cord Detanglers:This is a very useful home gadget. Can 360-degree rotation of the phone line to prevent the winding tool. Gold-plated metal contacts prevent loss of sound quality. Works on mostly models of handset cords and handsets.Specification: Rotates 360° degrees - automatically rotates as you do while you are talking on the phone to extend the life of your phone cord.High quality & no tools required - includes gold- plated metal contacts to ensure great sound quality.Simply plug into your handset on one end, and the cord on the other end, and you are ready to go! Removal of the detangler is just as easy.Prevent frustration - stops your coiled phone cord from becoming twisted and tangled.Fits all telephones - works on all models of handset cords and handsets.Suitable for RJ9 telephone line,4pc4c. never have a pesky tangled telephone cord again.