公开(公告)号：US20180184186A1

公开(公告)日：2018-06-28

申请号：US15840745

申请日：2017-12-13

Applicant: LG ELECTRONICS INC.

Inventor： Kwancheol KANG ,  Siyoung PARK ,  Junsoo PARK ,  Wonjae KANG ,  Hyunsun YOO

IPC: H04R1/10 ,  F21V33/00 ,  F21V5/00

CPC classification number: H04R1/105 ,  F21V5/002 ,  F21V33/0056 ,  H04R1/023 ,  H04R1/1016 ,  H04R1/1025 ,  H04R1/1041 ,  H04R1/1066 ,  H04R2420/07

Abstract: 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.