Quality 14.2mm speaker drivers with neodymium magnet delivers rich bass and clear sound. Bass Sound for enhanced sound 14.2mm speaker drivers for rich bass and clear sound Quality 14.2mm speaker drivers with neodymium magnet delivers rich bass and clear sound. Designed for ear geometry comfort fit The design is based on ear geometry for comfortable wear and snug fit for everyone. In-line mic and pick up botton for easy conversation Neodymium speaker drivers deliver pure balanced sound Neodynium is the best material for producing a strong magnetic field for greater sensitivity in a voice coil, better bass response and a pure balanced sound quality.