Jvc Harx900 Dynamic Sound High-Grade Full-Size Headphones 50Mm Neodymium Driver. Ring Port Structure Provides High-Quality Dynamic Sound. Acoustic Lens Structure Produces Natural Sound Through Specially Engineered Acoustic Lenses. Pressure-Dispersion Mesh Head Pad For Comfortable Long Listening. 11.48Ft Pure Copper Cord With Gold-Plated Plug. Includes 1/4" Plug Adapter