Incase Capsule Natural Fit Earbuds with Mic
Drive type = Diaphram    Driver size = 8.5mm    Frequency Response = 20Hz - 20 KHz    Impedence = 13� 10% (driver)    Sound Pressure Level = 105� 3dB @ 1KHz    THD = Max 3%    Number of Drivers = 2    Number of microphones = 1