Premium Memory Foam Ear Tips: Made specifically for Sony WF-1000XM4, these ear tips are constructed from high-quality polyurethane memory foam, ensuring a comfortable and secure fit Effective Noise Reduction: Designed to provide superior noise reduction, these ear tips block out ambient sounds, allowing for an immersive listening experience Comfortable and Stable Fit: The elastic materials enhance adhesion with the ear canal, providing a stable and comfortable wearing experience even for extended periods Durable Nano Oleophobic Coating: Each ear tip is coated with a nano oleophobic layer, which helps to resist sweat and oil, keeping them clean and prolonging their lifespan Easy Installation: The precise buckle design allows for easy installation and removal, making it convenient to replace your ear tips when needed Compatible with: Sony WF-1000XM4 Package included: 1 Pair x Ear Tips Other things not included