Big Mouth Billy Bass is ready to entertain you with two iconic songs. Easy Operation: Simply press the red button, and Billy will start singing his heart out. Alternatively, switch to sensor mode, and a wave of your hand will trigger the song, adding an interactive touch to your experience. Wall Mount or Display on Any Surface: You have the flexibility to hang Big Mouth Billy Bass on a wall, adding a lively decoration to any room. Battery-Powered: Big Mouth Billy Bass operates on 4 AA size batteries (not included). For optimal performance and longevity, we recommend using alkaline batteries, ensuring that Billy keeps the party going.