Part of the Evolve2 30 SE product line On-ear headset with over-the-head band provides a comfortable and secure fit for long work sessions Wired design ensures a stable connection and reliable audio without interruptions 28mm speaker delivers clear, detailed sound for both calls and multimedia Frequency range from 20Hz to 20kHz lets you hear deep lows and soaring highs with clarity Stereo sound mode delivers clear, distinct audio from both speakers Boom microphone ensures your voice is heard loud and clear during every call Two-microphone call technology ensures your voice is heard clearly in any environment Busylight, visible from all angles, signals your availability clearly to everyone around you Foam and leatherette ear cushions ensure all-day comfort Lightweight and portable design makes it easy to carry and comfortable to wear all day