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 . <EOS>