The SMART HJC 50B is a premium 2nd generation Bluetooth communication system, elegantly integrated into the helmet's design. Powered by Bluetooth 5.0 Low Energy technology, the 50B offers both MESH Intercom and 4-Way Bluetooth Intercom functionalities. Enhanced with an advanced audio multitasking, sound tuning capabilities, superior noise cancelation, and more. The SMART HJC 50B ensures a seamless communication experience with its intuitive controls and easy installation. Featuring HD speakers for superior sound quality, a battery life of up to 13 hours, and an FM radio. It provides an impressive range of up to 1600 meters and supports a 9-way intercom. Compatible with the following HJC helmets: RPHA 31, RPHA 71, RPHA 91, i71.