Get the sound you crave for with the Black Klipsch Reference S4 in-ear headphones. The superior noise-isolating design of these Klipsch headphones reduces external noise, retaining the originality of the music played. Additionally, the oval ear tips of these in-ear headphones offer you pure comfort even during extended listening. Featuring a frequency response of 10 Hz to 19 kHz, these Klipsch headphones enable you to listen to sounds with amazing clarity. With a sensitivity rating of 110 dB, these Klipsch headphones efficiently convert power to clear sound. What’s more, as the Klipsch Reference S4 comes with a 3.5 mm connector, it is compatible with most of the portable media players, mobile phones, PCs, and laptops.