With the SC 135 / 165 USB headset series, users can comfortably conduct phone calls and listen to music to relax. The microphone boom, which is concealed in rest position, turns the SC 165 USB into high-grade stereo headphones during breaks in communication. Combined with a robust, elegant design are enhanced wearing comfort and practical features, such as foldable earcups or call control integrated into the cable. The ergonomic design enables fatigue-free work or restful listening for many hours.