This Sony MDREX300 headphones comes in black complete with newly developed multiple layer diaphragm that helps prevent distortion. A large new 13.5mm driver unit delivers brilliant precision audio reproduction and are hand tuned for optimised sound quality. Aluminium housing and new closed vertical in-ear design reduces vibration and ensures long-term wearing comfort. Accessories include 3 sizes of super-soft hybrid silicone earbuds and a leather carry case.