1.EXTENDS LENGTH: Add extra length to existing 3.5mm male-to-male cable (not included) 2.UNIVERSALLY COMPATIBLE: Works with any device equipped with standard 3.5mm audio jack or AUX-in port 3.RELIABLE PERFORMANCE: Beveled step-down design; gold-plated plugs for reliable, static-free performance 4.NOTE: This item is one way audio signal transmission only and no support for MIC function. 5.What You Get: 3 Pole 3.5mm Male to Female Aux Cable