1.Aluminium housing 2.In-ear design, noise cancelling 3.3 size silicone cap Specifications:1. ... Mobile phone, PC, Gaming device, CD, etc.2) In-ear design,noise isolation3) Powerful neodymium magnetic ... two speakers,protect hearing.5) Add metallic dust-free net in the fore housing to keep ... free copper and Tangle-free cable.9) Constructed with durable metallic materials, fashion design, oxygen shiny ...