Abstract: An ear tip has an inner part connectable to an ear bud body of an earbud, and an outer part disposed at least partially over the inner part. The outer part is flexible and is for coupling the ear tip to a user's ear canal. The inner part includes an inwardly facing wall and an outwardly facing wall, the inner wall defining at least part of a primary sound communication path between the ear canal and the ear bud body. The inner part includes at least one tip vent that defines an ambient sound communication path between the inwardly facing wall and the outwardly facing wall, and thereby the user's ear canal and ambient. The inner part provides an acoustic impedance to sound passing through the at least one tip vent and thereby defined sound characteristics in the ambient audio communication path. An ear bud is also described.