According to an aspect, an electronic system for outputting video data and audio data includes a terminal device which generates the audio data and the video data; a wearable audio device which communicatively connects to the terminal device through a first wireless communication scheme; and a wearable augmented reality (AR) device which communicatively connects to the terminal device through a second wireless communication scheme. The wearable AR device receives the audio data and the video data from the terminal device, outputs the video data through a display of the wearable AR device, and outputs the audio data through a speaker of the wearable AR device, and the wearable audio device receives the audio data output from the wearable AR device using a microphone of the wearable audio device and outputs the audio data received from the wearable AR device through a speaker of the wearable audio device.