Cardo SMART H duo For HJC Helmets bluetooth

The Scala Rider SMART H DUO is an ultra slim design motorcycle headset for intercom and mobile phone communication between up to 4 riders. You can toggle between up to 8 riders.  The Duo includes two headsets 

As well as use the Intercom or mobile phone you can also listen to the radio, MP3 and GPS navigation instructions.

Talk time is 13 hours. The range is 1.2km (bluetooth mode) or upto 3.6km with 4 or more riders (DMC mode).