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 when the baby is awake; the highest volume is relatively loud, perfect for playtime. 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 time, and conveniently carried for outdoor use such as picnics or shopping. Children's Lullaby: Listening to soft music before bedtime helps promote sleep and improve sleep quality. Gentle melodies support baby's brain development. Package Included: 1 x Baby Musical Mobile Note: 1. Due to differences in monitors and lighting effects, the actual color of the item may vary slightly from the images shown. 2. Please allow 1-3 cm measurement deviation due to manual measurement. (1 inch = 2.54 cm)