Super comfortable and light after a long baseball practice. For music I would say the sound is slightly boomy/bassy as is the fashion, but not unreasonably so. BUT, there are a few drawbacks to these which I think would affect consumers after earphones for sports usage, or walking around town etc. When I received them and inspected them, they looked identical to the stock tips, but if you feel the tips and compare them to the stock tips, the stock tips are slightly smoother and these have a slight but barely motivate texture. Here’s a picture of the included screw after 3 seconds with the drill. Les écouteurs senfilent facilement et tiennent bien dans loreille, même en courant! These use a 3. way way too long. They love them Works well for one person.