Nissan Genuine Navigation Hands-Free Microphone Input Conversion Cable. Converts the genuine 4-pin connector to a 3.5mm jack (female). Allows the use of commercially available hands-free microphones with a 3.5mm mini-plug (male), 2-pole. Please confirm the connector shape for compatible models. Based on our understanding, it should be compatible with Bluetooth-enabled models of the MM, MJ, MC, and MP series.