Provided is a portable electronic device with excellent shock resistance without reducing design property. A portable electronic device according to an exemplary embodiment of the present invention is equipped with a case including a device (e.g., a speaker), a covering member that covers the device, a protrusion that is formed on the case, and a protective member that protects the covering member. The protective member is formed to protrude from the covering member and also with a substantially equivalent height to that of the protrusion. It is preferable that the protrusion is formed at facing edges of the case, and the protective member is formed between the protrusion.