3.5mm Microphone With Adapter Cable 3M Tape For GoPro Hero 3/3 plus/4

Features:

This Stereo Microphone will dramatically increase the sound quality of your footage.
The microphone picks up a greater range of sound frequencies than the internal
Frequency response: 100 - 10，100hz
Plug: l-shaped gold-plated mini plug，3.5mm
Sensitivity: -38dbv，±3.5db
Noise level: 34db SPL

Notice:

Microphone on the camera.
Compatible with GOPRO HERO 3 3+ 4  Cameras.
Camera and Housing are not included.

Package Included:

1 x Microphone
1 x 3.5mm Mic Adapter For GoPro
1 x Double sided tape 3.5cm x 4.5 cm

Detail Pictures: