The House of Marley EM-JE013-MI People Get Ready - Jammin In-Ear Headphone with 3-Button Mic - Midnight 3 Sizes Of Ear Tips Provide Noise-isolation Powerful 10mm Moving Coil Drivers 52" Fabric Cord with A Three-button Controller And Microphone Designed To Work with Apple Devices Freq Resp: 15 Hz - 20 Khz