1.High quality earphone with UV coated 2.Aluminium housing 3.In-ear design Specifications:1 ... MP4, Mobile phone, PC, Gaming device, CD, etc.2) In-ear design,noise isolation3) Powerful neodymium magnetic bass ... caps can fit your ear well and keep holding.7) Use safe and green eco-glue to stick ... the housing.8) oxygen free copper and tangle-free cable.9) Constructed with durable metallic ...