Homelink 3.5mm (1/8 Inch) Stereo Plug TRS to 6.35mm (1/4 Inch) Jack Cable Adaptor Audio Adapter - GOLD PLATED Gold plated connectors to ensure there is a high quality connection Small jack plug to large jack plug converter Premium quality, no loss of sound It converts a 3.5mm jack into the larger 6.35mm (1/4 inch) jack Ideal replacement or spare for your headphones