The 3S Plus Universal headset uses Bluetooth 4.1 technology to deliver audio for music, phone calls, GPS, and intercom conversations up to 0.25 miles away. It features a sleek two-button external control module that attaches to the helmet's shell for easy access, making it suitable for full or open-face helmets. The kit includes both standard and boom wired microphone extensions. It offers a two-way HD intercom with Advanced Noise Controls, up to eight hours of talk time, and connects to Sena's Utility App for customization.