Sennheiser CX80s In-Ear Universal Wired Headset (508896) is a wired in-ear headphone designed for everyday use. It delivers Sennheiser’s uncompressed and balanced sound, allowing you to hear every detail of your music. The in-ear design provides a secure fit and reduces ambient noise for a more focused listening experience. An in-line one-button smart remote makes it easy to play or pause music and answer calls. It comes with multiple ear tip sizes (S, M, L) for a personalized fit and improved noise isolation.