Join Two Stereo Audio Cables Together to Make a Longer Cable&lt;br/&gt;&lt;br/&gt;The GCAUD3535FF Audio Cable Adapter/Audio Coupler features two 3.5mm audio female connectors providing a cost-effective way to combine two standard 3.5mm stereo headphone cables or convert a standard audio cable into an extension cable.&lt;br/&gt;&lt;br/&gt;The F-F Audio Cable adapter is backed by StarTech.com&#39;s Lifetime Warranty.&lt;br/&gt;&lt;br/&gt;The StarTech.com Advantage&lt;br/&gt;&lt;br/&gt;- Gold plated connectors increase conductivity and help reduce corrosion&lt;br/&gt;- Backed by a StarTech.com lifetime warranty and free technical support