Compatible with Sony WF-1000XM5, WF-1000XM4, WF-1000XM3 and more Sony wireless earbuds. Built-in filter screen for WF-1000XM5 ear tips, 1:1 ergonomic design, soft and comfortable same as original, fits well inside the WF-1000XM5 charging case. Great noise isolation for WF-1000XM5, brings a superior audio experience, richer bass and a tight seal to block out external noise. Made of upgraded polyurethane memory foam specially for WF-1000XM5, these replacement ear tips are softer than ordinary foam materials. Ultra soft WF-1000XM5 foam ear tips create a stable ear canal seal with anti-slip feature, great for long-time wear and daily exercise