A great item for any Nascar fan! These earbuds are emblazoned with the number 48 and Jimmie Johnson logo. These retractable earbuds feature a compartment where the wires are quickly and easily stored. Throw them in your pocket when the race starts and don't waste any time untangling them when you're ready to listen to your music again. They use a 3.5mm jack that's compatible with the iPod and most other music players. 3 different sizes of soft silicone inserts are included to fit Nascar fans with ears of all sizes.