THE SCIENCE OF SLEEP SOOTHING WADDLE PENGUIN; Benefits of lullabies including white noise and shush sound are to comfort the baby and reduce stresses that baby gets by providing a baby similar sound that baby used to hear prior to birth, these sounds also make baby fall into deep sleep and appropriate multi-sensory stimulation leads to increased brain growth and function ULTIMATE SLEEP COMPANION; Waddle Penguin is designed with 15 most comforting sounds for baby including ?shhh? shusher sound, white noises, nature sounds, and playful lullabies, the coolest fact about is all these sounds are playable with a single touch of button SMART IS THE NEW BASIC ESSENTIALS IN BABY CARE; Adaptive Smart Timer with on and off switch, Waddle Penguin will soothe your baby to sleep and automatically turn off with the choice of 15, 30, 60 minutes to accommodate shorter naps to deeper sleeps STARRY SKIES AT YOURFINGER TIPS; Create a more tranquilizing ambiance to the room by bringing 3 different color schemes of starry stargazes, providing a relaxing sleeping experience for your baby and putting a stop to all those restless nights for yourself MANUFACTURE GUARANTEE; We, Alex & Kate, are serious about providing the utmost customer satisfaction possible by standing by our work while bringing the finest and trendiest baby-toddler care products for during and after your memorable maternity time with your loved ones