How to turn off the earphones on your mobile phone 1. Open the Kuwo Karaoke APP on your phone (needs to be updated to the latest version), and then click the "My" button below. 2. In the My interface, click the "Settings" button in the upper left corner. 3. In the settings interface, scroll down to the bottom of the page, and then select to turn off the switch behind "Headphone Listening" to turn off the "Headphone Listening" function on National Karaoke.