Bluetooth 5.4 Connectivity - Experience seamless communication with cutting-edge Bluetooth 5.4 technology, providing ultra-fast pairing, stable connections up to 500 meters, and minimal latency for real-time coordination.IP56 Waterproof and Durable - These waterproof motorcycle helmet Bluetooth headphones withstand harsh conditions, featuring a rugged speaker and weatherproof microphone for year-round reliability.HD Audio and Noise Cancellation - Dual HD motorcycle helmet speakers and a noise-canceling microphone deliver immersive sound quality even at highway speeds, while IP56 waterproofing ensures durability.18-Hour Battery Life - Optimized for touring, with 18 hours of talk time and fast USB-C charging, this wireless helmet communication system eliminates cables for worry-free adventures.Universal Helmet Compatibility - Tool-free installation fits all full-face/open-face helmets, and dual-device pairing for smartphones/action cameras makes these headphones ideal for touring riders seeking a versatile motorcycle helmet Bluetooth headset.