About this item A combination of eartips and an adapter. Eartips: 3D axis design for a personalized fit. Adapter: Designed exclusively for a specific model. IP54 dust and spray resistant mesh protector. Detachable ear tips, easy to replace when needed. Medical-grade silicone ear tips to reduce allergic reactions. Main feature: lighter and more comfortable fit with soft, flexible ear tip material. If you choose the same size as the original tips, youll experience a lighter fit with slightly reduced passive noise isolation. For a fuller, more secure feel and stronger noise isolation, we recommend going one size up. Dimensions: 3.07 x 2.95 x 0.87 inches.