The 1. switch is located on the side or back of the device, so switch the switch to the open position.

2. Connect the music equipment (such as mobile phone and computer) with the double-ring mecha gun through Bluetooth, AUX cable, USB cable or SD card.

3. Use the volume button or knob on the small steel cannon of the double-ring mecha to adjust the volume, and start playing music through the play button or control interface on the sound source equipment.