[. . . ] [. . . ] These open dynamic hi-fi stereo headphones will impress you with their superbly detailed sound reproduction and powerful bass. When people use headphones, they tend to choose a higher volume than with loudspeakers. High definition hi-fi stereo headphones Very comfortable to wear due to BioNetic design New Sennheiser patented dampening element for controlling diaphragm oscillation Detailed, analytic sound reproduction Fresh, balanced sound and powerful bass Duofol diaphragm to reduce standing waves Detachable, single-sided connecting cable made from highly conductive OFC copper Replaceable parts for long life Only use a soft, slightly damp cloth to clean the headphones. KG declare that this device is in compliance with the applicable CE standards and regulations. [. . . ] [. . . ]