Cardo gave their intercoms a solid update and in the Freecom X-series this translates amongst others in the Bluetooth system that is available under
CARDO Freecom 4X JBL Single
Cardo Freecom 4x
MO Tested: Cardo Freecom 4x Review
Cardo Freecom 4X Bluetooth Headset Review at SpeedAddicts.com
Cardo Freecom 4X review Bluetooth intercom tested
Cardo Scala Rider Freecom 4x Intercom
Cardo Freecom 4X review Bluetooth intercom tested
Freecom 4x - funny how i have the bold and slim and realize i dont need mesh. this is the best right now. all the features minus mesh but new added usb
Review: Cardo's New Freecom 4X Helmet Comms System Keeps You Connected - And Entertained