If I need to adjust volume I either click top or bottom of the controls. I was concerned that the recommended Crocs size would be too large but I ordered them anyway and pleased to say that they are a good fit. I personally did not size up because I have a narrow foot and if they stretch, it will be too big. Wow; you know all those times you wanted a uk 10 and they come EU 45/46 and are still a size too small? Well finally, these fit as expected. il vaut mieux évoluer par soi même . Jetzt halten sie in jeder Situation. These have a much thicker sole and are very much what I wanted. I?m so happy I was able to find a rack that?s aesthetically pleasing and sturdy! I live in these things. After reading the reviews I was sure I was going to get a slightly large or wide slipper.