The Pipe Earphone w/ mic offers impressive sound quality and overall strength in an organic and ergonomic design. Made from lightweight and highly resilient materials this earphone displays an elegant coherency between the overall design and the individual parts. The 9mm precision-engineered driver provides a highly detailed full-spectrum sound experience from the softest bass to the crispiest high notes. Soft, lightweight, color graded cables 3 sets of form-fitting silicone ear buds provide passive noise isolation and a custom fit 9mm in-ear driver delivers natural, detailed, full-spectrum sound quality Specifications - Driver Unit Size 9 mm Plug - Angled Stereo Plug 3.5 mm Speaker Impedance - 16 Ohm Speaker Sensitivity - 105 +/- 3dB Maximum Power Input - 20 mW Frequency Response - 20-20KHz Microphone Sensitivity - -42 +/- 3dB Microphone Directivity - Omni-directional