Sena Smart HJC 21B Bluetooth Communication System

SENA SMART HJC 21B BLUETOOTH COMMUNICATION SYSTEM //

Sena Smart HJC 21B Bluetooth Communication System is a second-generation standard communicator for compatible HJC helmets. It brings Bluetooth 5.1, four-way intercom, Audio Multitasking, and custom helmet integration to riders who want a clean HJC-specific communication setup.

FEATURES /

• Custom-fit design for approved HJC helmets
• Bluetooth 5.1 connectivity
• Four-way intercom capability
• Intercom range up to 1.6 km/1.0 mi under optimal conditions
• Audio Multitasking for smoother audio layering

SECOND-GENERATION BLUETOOTH /

The Smart HJC 21B is aimed at riders who want a current Bluetooth platform without moving into a mesh communicator. It supports rider-to-rider communication, phone audio, music, and navigation prompts through an integrated helmet installation.

HELMET SETUP /

• Check HJC compatibility before installation
• Designed around HJC helmet module and speaker locations
• Supports app and device-manager setup workflows
• Useful for commuters, touring riders, and passenger communication

DETAILS /

• Sena Smart HJC 21B Bluetooth Communication System
• Manufacturer Part No: 0721-1350-00