Get in control. With volume control on the earphones you can now adjust the sound level with ease and convenience... Key features Silver housing Silent cap design Compact carry case L-shape Stereo mini plug Volume control 1.0m cord Sony Acoustic Twin Turbo Circuit Neodymium magnet High quality 16mm driver unit Specifications Sensitivity: 108dB/mW Driver Unit: 16mm Weight: 6g (without cord) Cord Length: 1.0m cord Power Handling Capacity: 50mW (EIA) Impedence: 16 ohms (at 1KHz)