The SC4 3.5mm TRS Female to 3.5mm TRRS Male Adapter Cable from FotodioX is a 4.5" cable shielded to reduce RFI. It allows you to connect a compatible microphone to the TRRS headphone jack of a smartphone or tablet. The TRRS connector is right-angled for easier use in tight spaces. The cable features gold-plated connectors that are color-coded black and gray, with the TRRS input in gray for easy identification.