beyerdynamic iDX 200 iE Premium in-Ear Headphone Neodymium HD acoustic drivers for excellent, detailed sound. Connectivity Technology: Wired Lightweight full-metal housing with titanium alloy 3 button remote control and microphone for phone calls and media playback Compatible with Apple and Android devices such as iPods, iPhones, iPads 2-year manufacturer warranty only when purchased from an authorized beyerdynamic dealer.