Open-Ear Design - Patented bone conduction technology delivers audio through the cheekbone, keeping you connected and aware of your surroundings. Secure & Comfortable - An open-ear design enables bud-free listening and a partial titanium frame keeps the headphones in place through any activity. Multifunction Button - Easy controls to play, pause, skip, activate voice assistant, and answer calls. Sweatproof - IP55 certified to repel sweat, dust, and moisture. Perfect for withstanding even the rainiest runs. 6-Hour Battery Life - 6 hours of continuous music and calls on a single charge.