Coby CVH-803-BLK Jammerz Folding Headphones, Black Comfortable Leather Ear Pads adjusted to the headband, based on Ergonomics theory, to fit all head sizes. Coby engineers spend great amount of time to create this headphone that bring you the best music experience. 40mm power drive, pumps clear sound, precise highs and big bass directly to your ears. Dynamic one sided cable this headphone are ready for the get go and hassle free. Created for all smartphones , tablets and any media players. Connectivity Technology: Wired