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HJC - Sena Smart 21B 2nd Gen Bluetooth Communication System
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HJC - Sena Smart 21B 2nd Gen Bluetooth Communication System
The SMART HJC 21B is the 2nd 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 BT 5.1 low power system, the 21B offers Bluetooth 4-way intercom functionality, with over 22 hours of talk time.
The enhanced sound provides users with an HD speaker, to enrich mid-to low-pitched sounds.
Features:
- 2nd Generation
- HD speaker
- Bluetooth intercom
- Mobile app
- ECE 06 specific accessory
- Bluetooth 5.1
- Long lasting battery
Applicable models:
- RPHA 91
- RPHA 71
- RPHA 31
- i71