Connect the player to WIFI and enable the AirPlay function;
Ensure that the player and the phone's WiFi network are connected to the same network segment;
On a mobile phone (iOS system), the AirPlay function button switch will be displayed in the shortcut function bar (it will be hidden and not displayed when there is no internet connection or no paired device);
Clicking will take you to the player selection interface. Select the paired device, and you can enable the output of the mobile app player on the device.