Ixradio 3.5mm External Mic Adapter for GoPro Hero 4, Hero 3, cameras Connect any 3.5mm microphone to your GoPro. Right angled connector to reduce protruding Durable with 3.5mm thick cable Compatibility: HERO4 Black, HERO4 Silver, HERO3+, HERO3 Use this adapter to connect any 3.5mm external microphone to your GoPro for enhanced audio capture.