There is disclosed a semiconductor light emitting element formed by selective growth and being high in light emitting efficiency, in which at least one GaN-based layer grown by ELO is stackedformed on a sapphire substrate, and a fluorescent substance for converting an ultraviolet light to a visible light is contained in a selective growth mask material layer for use in this case. The switch module is configured to enable or disable the touch pad in response to user operations, and generate an operation signal. Output form each of the at least one power amplifiers can be combined to generate a single RF signal.