A:AnswerThey don’t have a noise cancelling ability. However they seal very well if you the right ear tip is being used, this works very well for blocking out sound in place of no active/passive noise cancelling.
A:AnswerSure, just push two times the beats bottom and that's it, also you can keep pushing the beats bottom and activate the voice command and ask for any songs you want.
A:AnswerI had to send mine back to Apple for this issue. Apple returned them telling me that they cold not reproduce the issue. I make sure they are on the charging contact and still have issues with them charging. Do a search on charging issues with these earbuds and you will find out a lot of people have the same issue.