The SC2 3.5mm TRS Male to 3.5mm TRS Male Coiled Patch Cable from FotodioX extends from 2.4 to 20.5' and features low-profile right-angle connectors for easier use in tight spaces. Among other uses, the cable allows you to connect a compatible smartphone or recorder to a camera. It lets you capture scratch audio to the camera as your phone or recorder records audio. The cable is shielded to minimize RF and EM interference.