A portable sound equipment comprising a neckband wire configured to wrap a predetermined region of a user's neck, a main body coupled to both ends of the neckband wire and configured to form an electric control unit, a first button hole configured to form an open portion in the main body; a first button exposed outside via the first buttonhole, a side case configured to cover a first area of the main body which includes the first button hole, and a drainage groove provide in the first area along a circumference of the first button hole and forming a step with an outer surface of the main body is provided, so as to enhance the waterproof structure and realize the slim design and light weight.