[Machine Translation] New mechanism with increased acoustic volume and density produces intense bass. iPod/iPhone/iPad operation and calls are supported. (Product Specifications and Description) / New extra chamber mechanism with increased acoustic volume and density for crisp, deep bass. / Two-position post for both high sound insulation and excellent fit. Newly developed 12.5mm driver with precision press processing delivers exhilarating sound reproduction. Easy operation of music/video playback/pause/song forward/backward/volume control at your fingertips. Built-in condenser microphone for iPhone calls, Siri, etc. Headphone section Type: Dynamic Driver: 12.5mm Output sound pressure level: 105dB/mW Playback frequency range: 5~24000Hz Maximum input: 100mW Impedance: 16 Omega / Microphone section Type: Condenser Directivity: Omni-directional Sensitivity:?44dB ( Frequency response: 100~10000Hz Weight (excluding cord): Approx. 6g Plug: 3.5mm gold-plated 4-pole stereo mini (L-type) Cord: 1.2m (Y-type) Accessories: Earpieces (XS/S/M/L), pouch