The landline telephone cord cable is used between handset and telephone, not from telephone to wall plug. Applies to family fixed telephone, RJ11 plug 4P4C, not applies to VOIP phone , not fit for RJ45 modular plug | The phone handset cord is good to long-distance communication for your desk phone or office phone. Telephone extension cord is provided extra length for working in the office or at home | The telephone cord detangler includes gold- plated metal contacts to ensure great sound quality. Simply plug into the telephone cable detangler between the telephone handset and the cord, and and you are ready to have a tangle free phone cord. Removal of the phone detangler is just as easy | The phone line detangler automatically rotates 360 degrees to effectively prevent your coiled handset cord from being tangled and messed up, and you would not feel frustrated with entangled cord, make your phone cords tangle free, stop untangling twisted telephone cords | Universally compatible telephone line cord with all telephones manufacturers.You can use them as replacements for those IP phones

The phone handset cord is good to long-distance communication for your desk phone or office phone. Telephone extension cord is provided extra length for working in the office or at home | The landline telephone cord cable is used between handset and telephone, not from telephone to wall plug. Applies to family fixed telephone, RJ9 plug 4P4C, not applies to VOIP phone , not fit for RJ45 modular plug | Made of Pure-copper material, much better than normal Iron or Copper-clad-Steel telephone cord | Ideal replacement for your telephone's handset cord, high-quality sound with noise-cancelling | Universally compatible coiled handset cord with all telephones manufacturers.You can use them as replacements for those IP phones