An electronic apparatus comprising: a microphone; a communication circuitry; a memory; and a processor configured to: identify whether information of an external apparatus that previously connected through the communication circuitry is stored in the memory based on a preset event of the electronic apparatus; based on identifying that the information of the external apparatus that previously connected through the communication circuitry is stored in the memory, perform connection with the external apparatus through the communication circuitry based on the information of the external apparatus; and based on identifying that the information of the external apparatus that previously connected through the communication circuitry is not stored in the memory, perform connection with the external apparatus by performing a search through the communication circuitry, based on a first voice command obtained through the microphone, wherein the processor is further configured to: based on the external apparatus not being detected in the search, transmit a power-on signal to the external apparatus; and perform the connection with the external apparatus by performing a further search through the communication circuitry. a microphone; a communication circuitry; a memory; and a processor configured to: identify whether information of an external apparatus that previously connected through the communication circuitry is stored in the memory based on a preset event of the electronic apparatus; based on identifying that the information of the external apparatus that previously connected through the communication circuitry is stored in the memory, perform connection with the external apparatus through the communication circuitry based on the information of the external apparatus; and based on identifying that the information of the external apparatus that previously connected through the communication circuitry is not stored in the memory, perform connection with the external apparatus by performing a search through the communication circuitry, based on a first voice command obtained through the microphone, identify whether information of an external apparatus that previously connected through the communication circuitry is stored in the memory based on a preset event of the electronic apparatus; based on identifying that the information of the external apparatus that previously connected through the communication circuitry is stored in the memory, perform connection with the external apparatus through the communication circuitry based on the information of the external apparatus; and based on identifying that the information of the external apparatus that previously connected through the communication circuitry is not stored in the memory, perform connection with the external apparatus by performing a search through the communication circuitry, based on a first voice command obtained through the microphone, wherein the processor is further configured to: based on the external apparatus not being detected in the search, transmit a power-on signal to the external apparatus; and perform the connection with the external apparatus by performing a further search through the communication circuitry. based on the external apparatus not being detected in the search, transmit a power-on signal to the external apparatus; and perform the connection with the external apparatus by performing a further search through the communication circuitry.