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:

• RPHA 71
• RPHA 71 Carbon
• RPHA 91
• RPHA 91 Carbon
• F71
• F71 Carbon
• F31
• i91
• i71

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

• Bluetooth 5.1
• Advanced noise control
• Intercom 1600m / voice prompt
• Universal intercom / hd speaker
• Intercom( (1600m)
• Audio multitasking
• 4-way intercom