About this item ENHANCED SOUND: These earbud tips are designed to provide the optimal listening experience with deep, enhanced bass and vibrant high tones. Cloud Foam technology provides long-lasting comfort for super audio listening. PERFECT FIT: Cloud Foam technology is designed to expand after being placed in your ear to never slip out. Choose from 3 different sized eartips, compatible with any earbud, to leave behind ear fatigue. ERGONOMIC DESIGN: Product dimensions: 5.75 x 3.82 x 0.43 inches.