N2 N-Com MCS Basic Kit 2 for N104 Helmets Includes everything you need to use the audio system Headset: speakers (stereo), microphone and connectors The lower cord to plug into your motorcycle is longer and features a 90 micro usb attachment Headset system fits right into the nolan helmets and does not require any modification of the shell or the inside of the helmet Plugs directly into your bike and does not require any of the bluetooth electronics that the other n-com headsets require