HJC Smart 21B and 50B Bluetooth Headset by Sena Review at SpeedAddicts.com

IMPORTANT FITMENT INFO: The new HJC Smart 21B and 50B will ONLY fit the new 2023+ models: RPHA 31 / 71 / 91 and i71. NO, this unit will not fit the older HJC models (RPHA 70, 90, 11, i70, i90, i100). HJC i71 HELMET REVIEW 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. CONTROL UNIT Powering On/Off Call answering Hang-up Volume +/- Radio Connect (FM) Intercom Pairing Voice Command MAIN UNIT Long-lasting Power (Up to 13 Hours) Battery Unit & PCB MIC SET Boom-Type: Applicable for Modular & JET helmets. Wire Type: Applicable for Full Face helmets. 21B FEATURES BLUETOOTH 5.1 ADVANCED NOISE CONTROL INTERCOM 1600m VOICE PROMPT UNIVERSAL INTERCOM HD SPEAKERS AUDIO MULTI TASKING 4-WAY INTERCOM CUSTOMIZED FOR HJC HELMETS 1 YEAR WARRANTY The SMART HJC 2nd generation premium Bluetooth communication system model implements an all-in-one design, that is fully integrated into the helmet, allowing you to feel the optimal weight balance and aerodynamic performance while riding. Based on the BT 5.0 low power system, the 50B (based on SENA 50S/50R) features both the MESH intercom and 4-way Bluetooth intercom features. The...