Key button mechanism and portable electronic device using same

摘要

A key button mechanism and a portable electronic device using same are provided. The key button mechanism includes a key button and a capturing element detachably latching with the key button. The key button includes a key body and two spaced-apart latching hooks protruding from the same surface of the key body. The capturing element includes a main body having two assembling holes spacingly defined therethrough, each assembling hole corresponds to one of the two latching hooks of the key button, each latching hook of the key button passes through one of the two assembling holes of the capturing element and detachably latches to the capturing element.