Nice pre-owned, tested & works. Needs 3AA batteries. Key Features & Operation 3 Musical Modes: You can switch between Acoustic, Electric, or Hound Dog (howling/barking sound effects) using the red selection dial on the bottom left corner. 8 Chord Buttons: The colorful vertical buttons along the dog's neck play a full C to C scale of pre-recorded chords. Built-in Songs: The toy features 20 sing-along favorite tunes and 9 puppy-themed songs. Pressing the small music note or puppy icons on the right body allows you to cycles through them. Interactive Strumming: Spinning the red cylinder "strings" area advances a selected song by 2 seconds with each strum, encouraging active play. Whammy Bone: The teal bone-shaped whammy bar at the bottom adds fun, distorted sound effects to your music. Hidden Stop Feature: Pressing the dog's black nose instantly silences the music. It also features an automatic shut-off after 2 minutes of inactivity to save its 3 AA batteries. 1707