C2G 40630 2.5mm Mono Male to 3.5mm Stereo Female Adapter, TAA Compliant, Silver Adapt a 3.5mm stereo plug to a 2.5mm mono plug Connector 1: (1) 2.5mm Mono Male Connector 2: (1) 3.5mm Stereo Female Lifetime Warranty Adapter does not produce stereo sound.