Amazon.com : Microphone Adapter for GoPro Hero3 and Hero4 Only 3.5mm to USB Mini : Electronics
GoPro 3.5mm Mic Adapter - Audio Test & Review - YouTube
Make an External Microphone Mount for GoPro HERO3. : 7 Steps (with Pictures) - Instructables
GoPro Hero 3 Adapter Cable for FPV Video Tx
3.5mm Mini USB Jack (Stereo) Audio Microphone Adapter External Mic Data Cable For Go pro Hero 4 3+ Action Camera Accessories Set: Buy Online at Best Prices in SriLanka | Daraz.lk