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
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