About this item SOUND QUALITY ENHANCEMENT: Passive noise reduction design on the Earbud Tips enhances bass significantly for an improved audio experience. EASY TO USE: These earbuds covers are designed to perfectly fit most standard earbuds, with a simple design that allows for quick application and removal. COMFORTABLE: Made from premium silicone, ensuring long-lasting comfort during activities like running, cycling, and working out in the gym. EXTRA SILICONE POUCH GIFT: A useful addition to address the charging case design, as the earbuds cannot be charged with the covers on. Product dimensions: 3.27 x 2.8 x 0.71 inches.