this is my second pair and I find them excellent to wear in different events outdoor without any hesitation. Hung my bike with 1 hook. These are my second pair of the exact same sandal since I wore the other pair out after virtually living in them for two summers. When I first put them on, they felt small but have either stretched some or Ive just gotten used to the fit. when the low latency is off, the sound for music is decent, with very clear stereo sound, but not too much bass in it. It gets in the way of turning the screen. ,,so the people from doss checked in to see how i liked the product so i told them it was disappointing, lacking bass,rattles and distorts a bit at high levels and they offered a full refund. If you are wondering, just buy it. That being said, I can conceivably imagine someone listening to the 540ML and being shocked that they are listening to vinyl. I found the default ear cushions to be a little big for my ears but once I installed the smaller ones everything was very comfortable and they really do seal out the outside sounds.