Fall asleep gently with Otto the Otter : ZAZU Otto is a cuddly sleep companion with light projection , sleep music , and a 3-stage sleep program . The underwater world with glowing waves and fish provides visual soothing, while the sound of the ocean, heartbeat, or lullabies provide acoustic support. The integrated sound sensor activates Otto when he cries—for restful sleep, even when mom or dad aren't right there.

Automatic shut-off after 30 minutes , two volume levels. Ideal for babies and toddlers.