A mobile telephone (1) includes a link establishment detection module (18) that detects establishment of a link with Bluetooth headphones (2), an application setting check module (17) that checks whether an application (12) to be started is set to inhibit playback through the Bluetooth headphones (2), a link termination control module (19) that terminates a link with the Bluetooth headphones (2) when establishment of the link with the Bluetooth headphones (2) is detected and setting to inhibit playback through the Bluetooth headphones (2) for the application (12) to be started is recognized, and a speaker control module (20) that switches output of the speaker (16) to mute when a link is terminated by the link termination control module (19).