【3 MODE MOTORS】The crib mobile has 3 modes of music box motors, spinning only, music only, spinning and music, and also volume adjustable (0-100) as a way to meet the different needs of your baby during the day or at night when sleeping; the motor will automatically turn off after 30 minutes to save the battery as well as save your energy.The mobile motor needs 2 AA batteries, not included. 【Cozy Lullabies】Includes 35 pure music lullabies, not just a musical toy, but also a musical mobile that plays soothing sleep music, which can be used to soothe your baby during the day or at night, while letting your baby explore new sounds and tones. 【EASY TO INSTALL】The clamp-on style can be used on most cribs with edge diameters of 0.1" ~ 3.3" (the claws need to be clamped on the edge of harder cribs or crib T-shaped areas). The music mobile also has a sturdy plastic frame which is covered with soft cotton fabric to secure it in place without irritating your baby's delicate skin, ensuring your baby's safety. 【Flexible Removal】The music motor is removable, only 3.4 inches in diameter and weighs only 3.6 ounces, it can be easily put into a diaper bag or backpack; and of course, you can also remove the doll and cotton cover for cleaning, so you can clean it without worry. 【Perfect Gift】Pink fantasy theme, diverse small dolls and music and more can make the baby's visual and auditory stimulation, promote normal development, fully stimulate the baby's imagination; in soothing the baby to sleep and at the same time can stimulate the baby's interest.