The VMX 100 mobile headset is eqquiped with 2x high sensitivity omni-directional microphone capsules. This for creating a directionallity of the space were the voice is picked up.

I practice this means that these 2 microphones is optimized for picking up sounds coming 3-4cm in front of the microphones and significantly reducing all other directions. Below an illustration of a correct mounted VMX 100 mobile headset.