Enjoy the quality sound delivered from Philips SHE9551 in-ear headphones. These headphones provide optimal playback with their featured front acoustic vent. The acoustic vent provides low frequencies for deep clean bass and exceptional noise isolation for quality sound at low volumes. The ergonomic angled acoustic pipe is designed to adjust the ear bud to individual ear canal shapes for a natural and comfortable fit for extended periods of use. Fit the earbuds to your specification with the included ultra-soft silicon caps that come in three different sizes. The SHE9551 come with a cable winder for simplified cable storage and length adjustment.