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 adjust volume from 0 to 100. Humanized design: the lowest volume is equivalent to whispering, suitable for helping the baby fall asleep; the middle volume is equivalent to normal conversation, ideal for playtime; the highest volume is louder, suitable for active play. Multi-scenario application: lightweight and compact, easy to assemble and disassemble. The mobile motor measures only 5.5 inches, can be hung on a crib mobile arm during sleep, and is portable for outdoor use such as picnics or shopping trips. Children's Lullaby: Listening to soft music before bedtime helps promote sleep and improve sleep quality. Appropriate music supports baby's brain development. Package Included: 1 x Baby Musical Mobile. Note: 1. Due to differences in monitors and lighting, the actual color may vary slightly from the images. Thank you. 2. Please allow 1-3 cm measurement deviation due to manual measuring. (1 inch = 2.54 cm)