Graco Sweet Slumber Sound Machine: * Superior quality sound * Choose from a total of 12 Soothing Nature, Lullaby and White Noise sounds * MP3 Plug-In-Port lets you customize your baby"s play list with your own favorite songs. * Swivel drawer with space to store your MP3 player inside * Soft Glow Night light lets you peek without disturbing your baby * Automatic timer option helps ease your baby to sleep then shuts off. * Well-designed controls makes Sweet Slumber" sound machine fast to start and easy to use * Attractive purple anodized aluminum speaker grill * Compact size-perfect for travel * Unit can be used with batteries or included a/c adapter * Includes Little Slumber Guide with Sleep Tips * Requires 4 AA batteries (not included)