About this item Compatible Model: Designed for replacement tips compatible with various earphones, including Powerbeats Pro, Flex, X, and urBeats. Suitable for headphone jacks with a diameter between 3.8mm to 4.0mm. These eartips do NOT fit Powerbeats 2/3. Headphones NOT included. Premium Quality Material: Crafted from soft, flexible silicone, ensuring enhanced in-ear stability and long-lasting comfort. Designed to be durable and replaceable for added convenience. Noise Isolation: Effectively blocks external noise, allowing you to fully immerse yourself in the original, high-quality sound without distractions, for a pure and uninterrupted listening experience. Multi-size Options: Thoughtfully designed in four different sizes to ensure a perfect fit for individuals with varying ear shapes and sizes. We believe that one of them will be suitable for yours. Dimensions: 6.81 x 4.17 x 0.43 inches.