leaking

Hi everyone, I'm working in a rather quiet office and have to be aware of sound leaking from my headphones into the room. I don't want to annoy my colleagues with whatever it is I am listening to, so I've been wondering what would be the better option for me. A pair of in-the-ear Powerbeats...

been using my iPad mini 2 for well over a year with no problems, until a week ago. i took it out of my pocket and all this black liquid is leaking under the glass. the iPad still works fine and i can still tap on things fine even if it under the black liquid. i can see hairline cracks in glass...