The lightweight DT 1 single-sided earphone can be used with permanent applications of conferencing and interpreting systems (cable length 1.6 m). The neodymium magnet system used for the earphone ensures excellent sound properties and intelligibility of speech. The ergonomic earphone with elastic ear piece is suitable for different ear sizes. As the cable runs in the middle, the earphone can be worn on the left or right ear. The matt non-glare surface avoids disturbing light reflections. After each tour the earphone can be easily cleaned to be hygienically ready for the next use.