40mm stereo speakers deliver rich, resonant stereo with maximum bass response. Don"t just hear it--feel it. * Lightweight and flexible, the headset is comfortable for hours. * Pillow-soft, swivel-mounted ear cushions focus stereo sound for maximum enjoyment. * The QuickAdjust microphone telescopes and rotates for precise placement. When not in use, it rotates discreetly out of the way. * The noise-canceling microphone reduces background noise so you can easily be heard.