These do the job! The buds pop into the charging case in exactly the correct position when placed correctly right and left. Amazon kindly refunded me without any trouble and I will order new ones and hope that its not defective. It is laud, portable, durable, easy to use and also it has a slick design. Gene Weingarten selected a day at random, Sunday, December 28, 1986, then wrote this book, reporting in depth on the stories he found that interested him the most, that took place on that day. The full sound spectrum is there needs nothing. --This is a great product & helped me clear up a lot of cabling clutter. As a "compact" system, its not. You just flick on the on button, you get "pc connected" in your ear, and off you go. Speaking of the mute feature, the manual uses a speaker with a slash through it for the mute instead of a mic with a slash through it.