Amazon.com: Movo GM100 Clip-on Lavalier Microphone for Compatible with GoPro HERO3, HERO3+ and HERO4 Black, White and Silver Editions - Includes Mic Adapter for Go Pro
3.5mm Female to Mini USB Male Mic Adapter Audio Cable- GoPro 1 2 3 Hero3+ Hero 4 700814681302 | eBay
Amazon.com : CamDesign 3.5mm Female to Mini USB Male Microphone Adapter Audio Transfer Cable Cord Compatible with GoPro Hero 1 2 3 Hero3+ Hero4 & Sports : Electronics
NFlightCam GoPro Audio Adapter Cable
Amazon.com : Microphone Adapter for GoPro Hero3 and Hero4 Only 3.5mm to USB Mini : Electronics
Amazon.com : Vlogging Protective Case for GoPro Hero 7/6/5 with Cold Shoe Mount Microphone Adapter Storage W Back Door Compatible with Gopro Series Frame Housing Accessories Perfect Vlog Setup Video Filmmaking : Electronics