Yamaha True Sound: Stunning realism, detail and clarity makes you feel closer to the artist Advanced ANC: Yamaha-exclusive Active Noise-Cancelling technology that leaves your music pure and untouched Crystal-clear calls with advanced mic design and Qualcomm cVc (Clear Voice Capture) Advanced Listening Care: Dynamic loudness optimization for full-range sound at lower listening volumes Water and sweat resistant (IPX5-rated) — ideal for sport and weather