HJC SMART 21B - Product Details

1 ABOUT THE SMART HJC 21B
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 6
1.2 Product Details
Speaker (R)
Speaker (L)
Microphone
connector
Bluetooth Module
Button Module
(-) Button
TAP Button
(+) Button
DC Power Charging & Firmware Upgrade Port
Pinhole Fault
Reset Button
Charging LED
Status LED