Klipsch Oval Comfortable Replacement Earbuds Fit Kit for S4i, S4i Rugged, S4i II, S4a II, and S4 In-Ear Earphones These Ear tips Earbuds provide great noise isolation. Capture the music in and Keep the madness out. Water washable, anti static, removable and replaceable. Perfect fit and comfort for your ears, left and right. Perfect replacement for any damaged, scratched or lost Ear tips Earbuds.