Aluminum alloy sound chamber Diamond cut,Shipping from USA,Buyit?New Original 2nd Piston Earphone Ii 3.5mm In-Ear Stereo Headset with Remote & Mic for Apple iPhone 6 / 6 Plus / 5 / 5S ,Samsung Galaxy S6 Android Smartphone 3-button remote and mic, compatible with most Android devices Aluminum sound chamber forming diamond cutting knife, Beryllium diaphragm, New double damping system more pure balanced sound, Kevlar fiber cable, with TPE ends, Compatible with mainstream Android phones *Volume up/down functions not supported on iOS devices. A new coat of gold plated for that all-classic feel,New dual damping system for purer sound quality