Sony MDRNC8/BLK Noise Canceling Headphone, Black Connectivity technology-wired; features-noise cancelling, foldable, sound isolation; earpiece-driver size-1.18; Sound mode-stereo; earpiece-earpiece design-over-the-head; physical characteristics-color-black; Minimum frequency response-30 Hz; earpiece-earpiece type-binaural; physical characteristics-material-foam;