Durable & Safe Design – Powered by 2 AA batteries (not included), this crib mobile motor is made of premium ABS material with an imitation wood finish, safe and sturdy for daily use. Adjustable Volume Control – Features three sound levels (low, medium, high), allowing parents to set the perfect volume for a calm and soothing bedtime atmosphere. 12 Gentle Lullabies – Plays 12 relaxing lullabies to help soothe and comfort your baby into peaceful sleep. Simple button controls make it easy to select and switch songs. Easy-to-Use Control Buttons – Equipped with four intuitive buttons: power on/off, song skip, and volume adjustment, designed for quick and convenient operation. Practical Baby Gift – Ideal for newborns and baby showers. To extend product life, please power off when not in use and remove batteries if stored for long periods. music baby crib mobile