Item Type: 3.5mm Sound Cable Material: PVC, Oxygen Free Copper Line Length: Before Expansion: Approx. 170cm/5.5ft After Stretching: Approx. 300cm/9.8ft Interface: 3.5mm Sound 1、Compatible: 5mm sound cable works with car sound, home sound, for iPhone, for LG, for Tablet, PC, CD, MP3, MP4, Headphones and other 5mm jack devices.  2、Spring Design: The 5mm sound spring cable adopts high quality steel springs to prevent the cable from bending and deforming, extending its service life.  3、Premium Material: The 5mm male to male stereo sound cable is made of oxygen free copper to ensure HiFi sound quality and provide maximum conductivity and durability.  4、5mm Cable: This coiled 5mm extension cable is 3 meters, supports sound signals only, and is compatible with all common 5mm female sound auxes.  5、High Performance: The 5mm to 5mm sound spring cable is retractable, with XLR adapter, and made of PVC shell, which is sturdy and durable.