Abstract:
An auxiliary input device of an electronic device may include: a housing that comprises a first portion, a second portion that extends from the first portion in a first direction and on which a first input unit is disposed, and a third portion that extends from the second portion and on which a second input unit is disposed, wherein the housing is configured to be coupled to the outer surface of the electronic device at least one location thereof, wherein the at least one location corresponds to a predetermined short-cut function of the electronic device to be performed.