Smart HJC 21B intercom

Smart HJC 21b is the second generation Bluetooth standard of communication system that supports compatible hjc helmets with 21b, with structural interfaces that users can easily mount on HJC helmets. Based on the low consumption BT 5.1 system, the 21b offers 4 -way bluetooth intercom features, with over 22 hours of conversation autonomy.
The improved audio offers users an HD speaker, to enrich medium-low sounds.

Applicable models

• RPHA 71 and RPHA 71 Carbon
• RPHA 91 and RPHA 91 Carbon
• RPHA 31
• F71 and F71 Carbon
• F31
• i71
• i9