An electronic device according to the disclosure includes an infrared signal receiver, an infrared signal transmitter, a memory that stores computer instruction code, which, when executed by a processor, causes the processor to: receive a first infrared signal output from a remote control device according to a user input for controlling an external device connected with the electronic device through the infrared signal receiver, identify a second infrared signal corresponding to one of control commands for controlling the operation of the external device based on control information included in the received first infrared signal, identify the output timing of the second infrared signal based on the type of the first infrared signal, and control the infrared signal transmitter to output the determined second infrared signal based on the identified output timing.