HJC SMART 21B User Manual

2 INSTALLING THE HEADSET ON YOUR HELMET
SMART HJC 21B 2
nd
Gen Standard Motorcycle Bluetooth
®
Communication System for HJC Helmets | 11
3. Put the remaining wire into the gap under the helmet’s rubber
guard.
4. Tighten the two long screws until the Bluetooth Module is fastened
firmly to the helmet.
2.1.6 Microphone Installation
• Modular or Open Face Microphone Installation
1. Insert the Wired Boom Microphone’s long hook into the groove in
the EPS of the helmet first and then insert the short hook.
2
1

HJC SMART 21B Specifications

General

Brand	HJC
Model	SMART 21B
Category	Motorcycle Accessories
Language	English