The plastic connectors to the blade wore down, started slipping, and eventually completely stopped. They have an astonishing sound which never sounds harsh at all. The USB controller is off limited use with the softphone I use for work. If you want to make calls too, Id look elsewhere. Super comfortable . Ive been using this for a little less than two months and it has not broken. Was also impressed by the sound quality and cancelling feature. ? The link cable is significantly longer than the previous model. And I?d argue it?s worth more. Length and width fit perfectly.