Features:
This stereo microphone will dramatically increase the sound quality of your footage.
The microphone picks up a greater range of sound frequency than the internal one.
Compatible for GoPro HERO 3 3+ 4, for AEE and other brands of action cameras.
Comes with a 3.5mm to Mini USB adapter cable.
Camera and housing are not included.

Specifications:
Polar Pattern: Stereo
Frequency Range: 100Hz~10100Hz
Sensitivity: -38dBv, ±3.5dB
Noise Level: 34dB SPL
Item Weight: 19g / 0.69oz
Package Size: 6.3 * 6 * 2cm / 2.5 * 2.4 * 0.8in
Package Weight: 23g / 0.8oz

Package List:
1 * Microphone
1 * Adapter Cable
2 * Double Sided Tape (35mm*45mm)
2 * Foam Windshield
Note:
Action camera is not included.