PORTABLE ELECTRONIC DEVICE AND BUTTON ASSEMBLY THEREOF

摘要

A button assembly is applied to a portable electronic device having a casing. The casing has an opening. The button assembly includes a button and a circuit board. The button is disposed at the opening and has a button body and a cloth-material layer. The cloth-material layer covers at least one portion of the button body and is exposed to a surface of the casing. The circuit board is disposed in the casing. The circuit board has a switch corresponding to the button body. A portable electronic device having the button assembly is also disclosed.