Kenable Pure HQ OFC 3.5mm Jack to 6.35mm 1/4 inch Jack Socket Adapter Cable 0.3m (~1 foot) 30cm kenable Pure HQ OFC 3.5mm Jack to 6.35mm 1/4 inch Jack Socket Adapter Cable 0.3m (~1 foot) 30cm 0.3m Length which is approx = 1 foot (all conversions are approximate) High Quality Oxygen Free Copper Cable for fuller sound reproduction