An electronic device has a speaker. The speaker has a main body and a cover. The main body has a speaker body and a tube. The tube is situated at a side of the speaker body. The cover is situated above the main body for covering the tube and part of the speaker body, such that the speaker has a covered portion and an uncovered portion. The cover has a hole. The sound produced by the covered portion is output via the tube along a first direction. The sound produced by the uncovered portion is output via the hole along a second direction.