[. . . ] [. . . ] Use it for inexpensive telephone-conferences or private calls, dictation or entertainment. Self-adjustable, omni-directional microphone for clear communication, more comfort and flexibility In-line volume control and microphone mute switch lets you decide volume intensity and allows you to "remove" someone from a three-way conversation Compatible with almost any sound card, it can be used for listening to music or films on your laptop or with CD/DVD/MP3 players Compatible with some mobile phones Single-sided cable keeps chin and neck free so you can concentrate on your game Technical data Headphones Frequency response . . . . . . . . . . . . . . Impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Hz ­ 15, 000 Hz Omnidirectional (-) 38 dBV/Pa 2 k Cable length . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. 5 mm stereo jack Accessories Optional: Replacement foam ear cushion Microphone windscreen Contact details [. . . ] [. . . ]