An innovative good night sleep solution for baby and parent, The First Years introduces the Sounds for Silence Sound Machine. Unique to this product, the machine features custom sounds developed by Pediatrician Dr. Harry Zehnwirth. Tested with crying babies, the sound machine continuously achieves a 90% success rate in soothing babies. When baby cries, Mom turns on the machine and quickly the sounds soothe baby’s crying. Easy to use, it includes two sound settings, calming sounds or white noise, an MP3 hookup for custom music, an auto-off timer and Dr. Zehnwirth’s Baby Settling & Health Guide.