Ergonomic design Compact, lightweight and fashionable design Folding earcups for comfort and compact mobility Built-in phone mic to take or make calls and volume adjustment Low profile fabric handband for efficient fit Compatible with music players and cell phones using a 3.5 mm standard stereo plug Braided cord for optimum strength and durability Custom tuned high-performance 40mm audio drivers Built with high-performance drivers for extended frequency range, lower distortion, and high power handling Ideal for digital devices such as iPod / iPhone / iPad / MP3 / CD players