The buds offer a full 8 hours of use between charges allowing for a full day of music or a full week of exercise UNIVERSAL SECURE FIT -The patented silicone ear fins securely attach to the top and back/lower surface areas of the ear for a snug fit, locking the earbuds in during workouts and intense physical activities. Includes multiple sizes of silicon and Comply tips for maximum noise isolation, fit, and comfort Hydrophobic nano coating ensures the product is safeguarded against sweat damage and rain showers even during intensive exercise. This allows X3 to be used during exercise with confidence

Includes 5 pairs of Black Foam Sleeves (Medium). For SE model earphones (except SE102MPA), as well as E3c, E4c, E5c, E500PTH, i3c, and i4c models. Legendary Shure quality to withstand the rigors of everyday use.