I will return the case and try to find one stronger. Best brush I’ve ran through 2 brushes this one is by far the best one I am going to give them a chance for sure as I really liked my last pair. i regret buying this. well, I do and I dont. This is the best Design and Quality belt I ever ordered or used. I contacted Linklike who immediately sent me out a replacement pair / didnt ask me to even return the 1st. It’s well made and easy to assemble. Absolutely love them! Musik angemacht, nach einer Minute kommt ein Pieps, dann der andere und danach geht der Kopfhörer aus.