Handheld electronic device

摘要

A handheld electronic device includes a main body and a cover. The main body has a bottom surface and a side surface adjacent to each other. A strap hole is formed in the side surface of the main body. A receiving slot and an observing opening are formed in the bottom surface. The observing opening is located at an edge of the bottom surface and is aligned and communicates with the strap hole. The cover is detachably disposed on the bottom surface to cover the receiving slot and the observing opening.