The Summer mommies melodies bear is the ultimate companion for your baby. It has a music box that plays in vitro womb sounds, 3 lullabies and 2 nature sounds to pacify your child to sleep. Its auto shutoff function switches off the music after 15 minutes. Its lightweight construction and adjustable straps allow you to attach this baby soother to your babys crib. This polyester infant soother is battery powered (3AAA included). Spot clean. Ages 1 month and up.