The little packs are great! Got my SC 165 (USB-A version) almost a month back and checked it on zoom and skype. Maybe it is because I am getting tired of the dress shoe and since I like to walk around I am always looking for the perfect style, sole, and fit. In theory, this lets you switch between profiles without Synapse on other computers. The sound is full and consistent in both wired and wireless modes. Update #3 April 2019. Overall, Im pleased with them. ) I wear them for about 8 hrs. It?s really cool lol Knelt reason I gave 4 stars- we?ll see how long will it last before it starts falling apart (if it does).