3 Calming Sounds: Soothe your baby with three sound options—shushing, heartbeat, and white noise—designed to comfort and lull your little one to sleep. Soft Night Light: Features a gentle night light that can either glow steadily or pulse in sync with the selected sound, creating a calming atmosphere. Auto Shut-Off Timer: Set the sleep machine to automatically turn off after 10, 20, or 30 minutes to conserve battery life and maintain a peaceful sleep environment. Portable and Battery Operated: Ideal for on-the-go use, this compact sleep machine runs on 2 AA batteries (not included), perfect for travel or moving around the house. Assorted Colors: Available in assorted colors, you will receive either a blue or grey sleep machine; the perfect addition to any nursery or travel bag.