Personally have never liked the sealed ear buds as the seals usually do not fit correctly. More importantly though, most of the time I need the ability to list

Personally have never liked the sealed ear buds as the seals usually do not fit correctly. More importantly though, most of the time I need the ability to listen to the ambient noise around me to catch other people talking to me or hearing announcements like train stops. The sealed off from the world feeling is usually only useful when concentrating on a task and that is pretty rare.