Nirsom&reg; 3.5mm Stereo Audio Jack (Male) splitter to Dual 3.5mm Stereo Adapter (Female) Audio Adapter Extension Cable - red Shielded cable structure for protection against hum & interference. Allow an easy connection from 2 headsets or speakers to 1 Stereo Jack. Bare copper conductor eliminates signal loss and enhance cable performance. Gold plated tip and polished metal connectors resist corrosion and provide rigidity. Step Down Design allows an easy & convenient connection to mobile devices with cases.