This unit implements an all-in-one design, that is fully integrated into the helmet, allowing you to feel the optimal weight balance and aerodynamic performance while riding. Featuring advanced BT 5.1 low power technology, the 21B provides Bluetooth 4-way intercom capabilities and a remarkable 22 hours of talk time. Its HD speaker enhances mid-to-low-pitched sounds for an unparalleled audio experience.
The SMART HJC 21B can be installed on RPHA 71, RPHA 91, RPHA 31, F71, F31, i91 or i71. Co-developed with SENA and tailored specially for HJC helmets.
Features:
- Advanced noise control
- Bluetooth 5.1
- 4-way intercom 1600m
- Voice prompt
- Universal intercom
- HD speakers
- Audio multi tasking
This unit implements an all-in-one design, that is fully integrated into the helmet, allowing you to feel the optimal weight balance and aerodynamic performance while riding. Featuring advanced BT 5.1 low power technology, the 21B provides Bluetooth 4-way intercom capabilities and a remarkable 22 hours of talk time. Its HD speaker enhances mid-to-low-pitched sounds for an unparalleled audio experience.
The SMART HJC 21B can be installed on RPHA 71, RPHA 91, RPHA 31, F71, F31, i91 or i71. Co-developed with SENA and tailored specially for HJC helmets.
Features:
- Advanced noise control
- Bluetooth 5.1
- 4-way intercom 1600m
- Voice prompt
- Universal intercom
- HD speakers
- Audio multi tasking
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HJC Smart 21B Bluetooth Headset by Sena (2nd gen)