The Audio Technica ATH-CKR30ISSV in-ear headphones are designed to deliver powerful audio performance with clarity and precision. Featuring newly developed 9.8 mm drivers and machined brass stabilizers, these headphones minimize unwanted vibration to produce clearer mid and high frequencies, ensuring an immersive listening experience. Their compact housings are ergonomically designed to fit comfortably in any ears, further enhanced by four sizes (XS, S, M, L) of interchangeable eartips. With high sound isolation capabilities, these headphones provide an uninterrupted listening experience whether you're on the go or at home. Additionally, the ATH-CKR30ISSV headphones come equipped with an in-line microphone and controller for convenient handling of calls and music playback.