Coby CVEM76BLU High-Performance Isolation Stereo Earphones (Blue) high-performance isolation stereo earphones, in-ear isolation design blocks background noise so you can experience your music without distraction aluminum housing delivers durability and performance in a lightweight package, high-definition 10mm neodymium drivers are optimized to produce pounding bass and crisp highs interchangeable silicone ear plugs ensure a perfect and comfortable fit asymmetrical cabling system keeps cords out of the way during wear gold-plated 3.5mm stereo mini plug