* Switch on/off button: Press once to play, press again to pause. Motor rotates when music plays and stops when music is paused. * Mode button: Switch between 12 built-in songs. Press the button to cycle through tracks. Music plays automatically if no input is given. * Volume selection button: Two buttons with identical function. Cycle through three volume levelshigh, medium, and lowwith each press. [Adjustable Volume] Unlike traditional baby music boxes with fixed volume levels, this crib mobile motor offers seamless volume control from 0 to 100, allowing you to select the ideal sound level. [Soft Music] Features 12 soothing lullabies that can be freely switched. Navigate to the previous or next track. Choose your baby's favorite melody for a peaceful sleep. [User-Friendly Design] Automatically shuts down after 30 minutes to conserve power. [Compatibility] Fits most crib mobile hangers and crib mobile arms. Requires 2 AA batteries (not included). Color: White Material: ABS Size: 14 x 9 x 3.5 cm Package Contents: 1 x Music Box Note: Light reflection and differences in display screens may cause slight variations in color. Measurement error allowed within +/- 1-3 cm.