In general, the purchase is satisfied. Perfect for office needs. Got pros: Sits comfortably on the head. Does not take up a USB port, because it is analog. Quickly raises / lowers the microphone (felt by Plantronics) Although the audio cable is not credible, but the joints are rubberized Volume control - wheel. Microphone adjustment - on / off slider . it is difficult to feel and move it, there is no clear fixation of positions. There is an adapter from a 4-pin connector (jack 3.5) to 2 3-pin, which is relevant for most new laptops. Good sound for messengers Has some cons: Sound ONLY for communication in instant messengers. For music, it is deaf with distortions and with sharp inserts of high frequencies. But in general, of course, you can occasionally listen to music. The ears sweat a little, there is no perforation. Can you make holes yourself? :)
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