High-performance DLC Diaphragm Dynamic Earphones Pure Sound Quality from the Ocean High-Power Drive: Oceanic Sound Quality Superior Diaphragm, Superior Sound: DLC Diamond Composite Diaphragm Versatile Audio Experience: Interchangeable Tuning Nozzle Filters Optimized Sound Cavity: Dive into the Sound Liquid Metal Cavity: Art Meets Precision Comfort Meets Quality Audiophile-Grade Cable with Flexible Connectors