Interphone Tutorial 3: How to Install Intercom on Jet Helmet

If you're wondering how to install #InterphoneTour, Urban and Sport on a Jet #helmet, here we show you how to do. See more: http://yourattitude.interphone.com Keep on following all #Interphone news: Facebook:   / interphone-i.  . Twitter:   / interphoneeng   G+: https://plus.google.com/b/11369814924...