Electronic device

An electronic device comprising:

• a first housing component including a first surface which faces a first side and a second surface which faces a second side and including a first through hole which connects the first surface and the second surface to each other;
• a second housing component removably attached to the second side of the first housing component;
• and
• an acoustic component located on the first side of the first through hole,
• the first housing component and the second housing component as being combined with each other defining a passage which communicates with outside from an end on the second side of the first through hole, the first housing component including a third surface which faces the second side, the second housing component including a fourth surface opposed to the third surface, a rib being located on one of the third surface and the fourth surface, the rib protruding to abut on the other of the third surface and the fourth surface, and the rib being located to separate a region including the first through hole from other portion.