The Jabra Evolve 40 MS Stereo is a professional headset specifically designed for PCs to enhance concentration and provide better call quality. Thanks to the premium noise-canceling technology, you can focus and work undisturbed even in noisy open office environments. The speakers with faux leather ear cushions offer stylish comfort and have a special design to block out office noise. The busy light feature ensures full concentration by signaling to colleagues from a distance when you do not wish to be disturbed. This product features passive noise cancellation.