An ear tip including an inner-tube portion, an outer-flange portion and a bump portion is provided. The inner-tube portion is configured to be mounted to a sound output tube of an insert-type earphone. The outer-flange portion extends from a side of the inner-tube portion, surrounds the inner-tube portion, and has a smooth outer surface. The bump portion is disposed on the smooth outer surface, so as to maintain a vent at periphery of the bump portion during inserting the ear tip into a canal of a user.一種耳塞,包括一內管部、一外緣部以及一凸起部。內管部用以套設於一入耳式耳機的一出音管。外緣部延伸自內管部的一側並環繞內管部,且具有一平滑外表面。凸起部配置於平滑外表面,用以在耳塞置入一使用者的耳道內的過程中維持一洩氣通道於凸起部的邊緣。100‧‧‧耳塞110‧‧‧內管部120‧‧‧外緣部130‧‧‧凸起部132‧‧‧洩氣通道134‧‧‧直條凸起C10‧‧‧耳道
