Mesh Intercom: Robust & reliable communication networkBluetooth 5.2: Compatible with the latest Bluetooth 5.2 platform.Built-In Speakers & Mic: Integrated speakers and a microphone.Intercom Range 1.2 km: Maximum distance operating within optimal conditions.LED Taillight: Integrated rear light with four brightness settings and adaptive light that shines brighter when decelerating.Aerodynamic Design: Streamlined, wind-resistant helmet design.Fitness App Compatible: Listen to audio feedback from smartphone fitness apps.Advanced Noise Control reduces the effects of ambient noise during intercom conversations.Quick Charging: Significant reduction in battery charge time.