How to Record Best Vlog Audio Using Shotgun Mic on Smartphone, Sennheiser MKE 400 on iPhone Working

Standard shotgun mic such as Sennheiser MKE 400 is great for recording directional sound on DLSR or professional recorders. However, they don't work with smartphone by default. Since I use iPhone to capture most of my video, it would be so convenient to use this wonderful product to record my voice. This video shows the basic knowledge behind the audio engineering, as well as the necessary steps you will need to enable a shotgun mic on a smartphone, either Android or iPhone, and even laptops and pads.