Cardo 4X Bluetooth Headset For HJC Helmets Designed exclusively for HJC helmets, the Cardo 4X Integrated Communication System merges high-fidelity JBL audio with advanced communication capabilities. It offers a four-way intercom feature with a reach of up to 0.75 miles, FM radio, and up to 13 hours of talk time. Developed in collaboration with Hjc, it integrates seamlessly with the helmet's design, ensuring no compromise on style or aerodynamics. Riders enjoy a superior, integrated communication experience without disrupting the helmet's look or performance. Features: HJC Collaboration: Designed to integrate with the following HJC helmets: Rpha 31, Rpha 60, Rpha 71, Rpha 71 Carbon, Rpha 91, Rpha 91 Carbon i31, i71, i91 F71, F71 Carbon Live Bluetooth Intercom: Auto-reconnecting Bluetooth 5.2 link ensures seamless communication for groups of up to 4 riders JBL Audio Performance: High-definition 40mm JBL speakers deliver superior sound quality and an immersive listening experience for motorcyclists Natural Voice Operation: Always-on voice recognition allows enthusiasts to control functions without taking hands off the bars Rugged Waterproof Design: Fully waterproof construction maintains performance in rain, mud, or dust to protect the investment of ADV and touring riders Over-The-Air Updates: Wireless software updates via smartphone app keep the device current with the latest features and optimizations Universal Connectivity: Cross-brand compatibility allows pairing with other major Bluetooth headset brands Extended Battery Life: Provides up to 13 hours of continuous talk time to cover long distance trips and full track days FM Radio: Built-in FM tuner with RDS for local stations and weather updates Range: Up to 1.2 km / 0.75 mi