About this item Measure your earphones nozzle, these memory foam ear tips fit many earphones with a 5.0mm-7.0mm nozzle for both wireless and wired in-ear models. Made from high-quality polyurethane foam, these ear tips are safe and non-toxic, providing a softer and more comfortable experience than ordinary foam materials. The memory foam tips feature slow rebound for a customizable fit, sealing well against the ear canal while being anti-slip, ensuring 24-hour comfort suitable for long wear and exercise. After extensive testing and design, these memory foam tips deliver a superior audio experience with enhanced bass and effective noise isolation. Includes 3 pairs of memory foam tips and a plastic storage box. Size: 4 x 3 x 0.4 inches.