It features an FM stereo radio tuner, a voice operated transmit and receive (VOX) intercom, an auxiliary stereo input for an MP3 or iPod-type music devices or satellite radio units. It also comes with a belt mounted leather pouch for easy access while riding. The Integratr IV incorporates some unique features, including the ability to integrate devices such as a cell phone, a 40-channel Citizen’s Band (CB), a Family Radio Service or a General Mobile Radio Service FRS/GMRS two-way radio. GPS devices that use audio commands and other accessory warning devices can also be incorporated. Rider to passenger wired comm system.. 2 sets of helmet speakers, mic and cables (uppers and lowers). FM radio, Jack's for satellite, mp3,cell,cb Works flawlessly, just not using anymore.