Product Details - HJC SMART 21B User Manual

1 ABOUT THE SMART HJC 21B

1.2 Product Details

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