Mini USB to 3.5mm Microphone Mic Adapter wire Cable for GoPro Hero 3 3+ 4 Camera | eBay
How to Connect an External Microphone to Your GoPro
Mini USB to 3.5mm Mic Microphone Adapter Cable Cord for Gopro HD Hero 1 2 3 3+ 4 Camera - Walmart.com
Used GoPro ALCDB-401 LCD Touch BacPac for HERO4, HERO3+, HERO3 Cameras, Built-In Speaker, 3.5mm/0.14" Headphone Jack ALCDB-401
Amazon.com: 10Pin Mini USB to 3.5mm Microphone Mic Adapter Cable Cord for Gopro Hero 4/3/3+ Camera Mini USB Plu : Electronics
Amazon.com : SOONSUN Side Open Protective Skeleton Housing Case with LCD Touch Backdoor for GoPro Hero 4, Hero 3+, Hero 3 Camera - Transparent Clear : Electronics