What's in the box:

Andoer Mini USB to 3.5mm Mic Microphone Adapter Cable Cord for Gopro HD Hero 1 2 3 3+ 4 Camera (Standard)

Features:
Use this mic adapter to connect any external 3.5mm microphone to your camera.
Mini USB to 3.5mm headphone jack also for mobile phone.
Simple Plug and Play.
Allows you to use any headphones with your mobile phone.

Specifications:
Color: Black
Length: Approx. 15.5cm / 6.1in
Weight: 6g / 0.23oz

Package List:
1 * Adapter Cable