This hardwired USB cord has superb HI-FI stereo sound quality. The 2100USB is 100% plug-and-play, Microsoft Windows certified headset. It comes complete with in-line sound controls for use with PC-Based IP telephony, our outstanding flex boom arm and a noise-canceling microphone that eliminates unnecessary background noises. It is ideal if you want the highest quality sound for your IP softphone, as well as for music and other multimedia applications. Its ultra-comfortable stereo speakers block out distractions while giving you true high-fidelity sound quality.