[. . . ] [. . . ] Adjustable headband for perfect fitting Adjustable, bendable and pivotable microphone makes the voice more clear and increases comfort and flexibility The noise-canceling microphone provides for high speechclarity and voice recognition by filtering out the noise around you With the in-line volume control and the microphone mute switch you can keep sound at the right level or have a side conversation in privacy Equipped with a single-sided extra thick cable for maximum robustness Technical data Headphones Frequency response . . . . . . . . . . . . . . 80 Hz ­ 15, 000 Hz Unidirectional (-) 38 dBV/Pa 2 k Cable length . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x 3. 5mm for PC/Laptop Accessories Included: Microphone windscreen Optional: Replacement leatherette headband pad Replacement ear cushion [. . . ] [. . . ]