From a studio session with your favorite artist to the best seat at a live concert, hear every detail with lifelike realism. These extraordinary earbuds combine Yamaha acoustic and electric technologies, enabling them to defy the sonic limitations of their compact housings. Hear legendary Yamaha audio engineering come to life. The driver, nozzle, airflow and acoustic space in the earbud housing are precision-optimized to deliver remarkably dynamic, well-balanced and spacious sound. Great sound and comfort both start with the right fit. The Yamaha original curved structure ergonomically conforms to your ear, ensuring a proper seal for optimal sound and a secure hold for peace of mind. A passion for music with a respect for hearing health – a perfect duet for a lifetime of listening. But how do you resist the urge to increase the volume? Now there's a little help. Lowering volume typically results in a perceived loss of certain frequencies, a phenomenon of human hearing. Listening Care intelligently adjusts the EQ to provide full-range sound even at a lower volume. Let your voice be heard. A uniquely designed mic conduit works in combination with Qualcomm cVc (Clear Voice Capture) technology to provide exceptional noise suppression and echo cancelling for crystal-clear voice quality when making calls.