If you need to sit at the computer with headphones so as not to disturb others, it is convenient because they are light and hold a charge normally. You can listen to music, but if you have any good headphones, you will feel that the sound is noticeably inferior in quality. The microphone is acceptable. As spare ears of norms, for business, as the main ones - it is better to take something of a better quality. Active noise reduction works no better than if you just plug any vacuum headphones into your ears, don’t take it for it.