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
Gopro Hero 4 3 Usb 3.5mm Mic Adapter Cable | Mini Usb Microphone Gopro Hero 4 - 3.5mm - Aliexpress
MG-83H) GoPro HERO4 and HERO3/3+ Recorder Adapter For Helicopter Headsets
Black 3.5mm Mini Clip-on Microphone + Audio Adapter Cable for GoPro Hero 3/3+ /4 | eBay
GoPro Pro 3.5mm Mic Adapter USB-C to 3.5mm and USB-C Adapter | Sweetwater
Movo GMA100 | GoPro 3.5mm Mic Adapter | GoPro HERO3, 3+ & 4 Mic Adapter
Gopro Hero 3 Microphone Adapter | Camera Accessories Kit - Sports & Action Video Cameras Accessories - Aliexpress
RMRC GoPro HERO3/HERO3+/HERO4 Camera Cable (audio and Video) - www.readymaderc.com
Gopro Audio Adapter
GoPro Hero 3 (Silver Edition) with Audio / Video Cable
SHILL 3.5mm Microphone Adapter for GoPro HERO3 & HERO3+ SLMA-3
NFlightCam Cockpit Kit for GoPro Hero3, Hero3+, Hero4 – Nflightcam.com
Mini 3.5mm External Microphone For GoPro Hero 3/3+/4 Camera Accessories + Audio Coverter Cable For Go Pro Hero 4 USB Microphone - AliExpress