The other two the Sonys and the Senns both had drop out moments walking amongst the same towers. would thoroughly recommend. - I love that the surface is made out of wood and not plastic or fabric. I want to say I used them on and off for at least six hours until I fell asleep with music playing. I was warned that Bloch has odd sizing by a fellow dancer and so I ordered the 8 1/2 and size 9. Badly made, one of the straps looks as if it will snap. I already wrote a review for these sandals but I cannot see it on the site. If I receive help from Glorious then I will be very happy to change my review to a 5 star. Well I am quite disappointed when I noticed a hole in the stitching that holds the top to the bottom. Outlined Review: Fantastic sound and lots of featuresWho are these for:Anyone needing big sound and wanting to interact with your speaker.