Tried a soothing night light yet? Professional Marketing Section: Help your little one drift off to dreamland with the Sweet Dreamz On the Go™ Fox. This travel-size comforting sound machine features calming light and soothing sounds, including 4 white noise options and 4 lullabies. With a re-activating smart sensor, the Sweet Dreamz On the Go™ reacts to your baby's crying and automatically plays sounds to help soothe them back to sleep. Perfect for on-the-go parents.