(4 Pack) 4 Inch Short Telephone Cable Rj11 Male to Male 4", Phone Line Cord (Black) black Color:black up to 20 times Reusability AC wide voltage input up to 20 times Reusability under normal condition (Humidity 30%~80%) No pain or fatigue after long time grasping NO COST CUTTING MATERIALS ✅ 50 Micron Gold Plating provides long term reliability and a strong stable connection ✅ Polycarbonate Resin Plugs offers the highest impact strength among all plastics and wide operating temperature range ✅ Pure Copper Core Conductors provide best performance by higher electrical conductivity than cheap aluminum wires found in most telephone cables ✅ 26 AWG sturdy and thick wires less electrical resistance improves performance ✅ Reversed Wiring for Voice applications ✅ Free of hazardous substances all components are RoHS certified BENEFITS ● Short length eliminates unnecessary clutter behind the phone and improves signal strength ● High grade materials and quality construction provides superior cable for clear sound and reliable connection ● Flat Stranded Cable is flexible and easy to hide ● RoHS Certified Components All materials are safe and without hazardous substances ● Each cable is tested before packing and has passed a connection test on all wired pins from one plug to the other ● Will Not Make Crackle or Line Noise when jiggling the cord ● Connects Telephones Product Features