It was deafening, so we stopped after 10 miles and cut off about 4 inches of the mat. Two of the buttons control volume, and the third (middle) button acts as a smart button. The sheet rock anchors did not work so I could not hang the shelf. Great case and well made Original Review: Honestly theres nothing bad to say about these headphones. And of course the warranty is out. 5 in other shoes and I ordered the 11-12 size, which fits perfectly. You have to lift the bottle straight up or you could knock over a bottle on either the lower or upper tier. Do not tighten until all screws are started. Get a ratchet Allen wrench and it will easier and quicker to install the screws.