This modular helix cable can be used to connect of the receiver/earphone with the telephone and serves as an ideal replacement of too short / long or defective original cables. TECHNICAL DETAILS Modular plug RJ10, 4P4C -=- Modular plug RJ10, 4P4C Plastic plugs, transparent Assignment: 1:1 4-wire helix cable Color: Black Assortment: Telecommunication Cables Length: 2 m