Koss Keb30W In-Ear Headphone, White High Quality White In-Ear (Ear Bud) Headphone with in line Volume control & 3.5mm plug includes 3 sizes of cushions for a customized fit In-Ear design fits snugly and is ideal for active lifestyles Available in White , Black, or Silver Frequency Response 15-20,000 Hz, Sensitivity 109db SPL