HJC Smart 21B Bluetooth Communication System
(1 reviews)
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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.
Suits the following HJC Helmets:
CONTROL UNIT
Powering On/Off, Call answering / Hang-up, Volume +/-, Radio Connect (FM)
MAIN UNIT
- Long-lasting Power (Up to 22 Hours)
- Battery Unit & PCB Unit
MIC SET
- Boom-Type: Applicable for Modular and JET helmets
- Wire Type: Applicable for Full-Face Helmets
21B FEATURES
Average Rating
Reviews
Ivan B.
on November 11, 2023
As I have only just received it and I only have set up Bluetooth with my phone for music. Happy with volume while riding my bike.
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