Usage Tips:Baby Musical Mobile with Rotating Hooks, Crib Mobile Motor, Baby Music Box Spinner with 3 Modes, Nursery Mobile Motor with 35 Lullabies Adjustable volume levels: Crib mobile music box can adjustment volume 0-100. Humanized design: the lowest volume is equivalent to whispering, which is suitable for coaxing the baby to sleep, the middle volume is equivalent to normal conversation, suitable for playing when the baby gets up, the highest volume is relatively loud, suitable for playing when playing games Multi-scenario application: Due to its light and small size, it is easy to disassemble. The mobile motor is only 5.5 inches, it can be hung on the baby mobile arm when the baby is sleeping, and can easily carry the music box when going out for a picnic and shopping. Children's Lullaby: Listening to some light music before going to bed can help to enter the sleep state and improve the quality of sleep. Appropriate music is very helpful for the development of the baby's brain. Package Included: 1 X Baby Musical Mobile Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual measurement. ( 1 inch = 2.54 cm )