Hjc 21B Smart Intercom

SMART HJC 21B is the second generation standard Bluetooth communication system model that supports 21B-compatible HJC helmets, with structural interfaces that users can easily mount on HJC helmets. Based on the low-power BT 5.1 system, the 21B offers 4-way Bluetooth intercom functionality, with over 22 hours of talk time.
LThe improved audio offers users an HD speaker, to enrich mid-bass sounds.

APPLICABLE MODELS

• RPHA 71 AND RPHA 71 CARBON
• RPHA 91 AND RPHA 91 CARBON
• RPHA 31
• F71 AND F71 CARBON
• F31
• i71
• i9