External mic mod for GoPro Hero 3 Black at DVinfo.net
VBESTLIFE Mini USB Microphone, External Microphone With Clip for GoPro Hero 3/3+ / 4.
Mini USB Stereo External Microphone Professional Mic with Clip Support Plug and Play for GoPro Hero 3/3+ / 4, for Audio and Video Recording : Amazon.co.uk: PC & Video Games
PROtastic® 3.5mm Microphone Cable & Clip Mic for GoPro Hero 3 & Hero 3+ Plus & Hero 4 & Drift Ghost X Cameras
Microphone Adapter Cable for GoPro Hero 3 3 4 Female 3.5mm Audio Converter Lead on OnBuy
Make an External Microphone Mount for GoPro HERO3. : 7 Steps (with Pictures) - Instructables
External Microphone for GoPro HERO 3 3+ 4 HD Mini USB Mic Audio Braided UK | eBay
Pro 3.5mm Mic Adapter
External Pro Lavalier Microphone For GoPro Hero4, Hero3+, Hero3, Hero2 | eBay
Professional Mini USB External Mic Microphone With Clip for GoPro Hero 3/3+4 UK
Adding A External Microphone To My GoPro - Daniel Norée
150cm Professional Mini Usb Omni-directional Stereo Mic Microphone With Collar Clip For Gopro Hero 3 3+ 4 | Fruugo UK