• Six doctor developed sounds help your baby sleep: White Noise, Prenatal, Lullaby, Dolphins, Car Ride and Heartbeat.
• Exclusive Sleep Enhancement® gradually slows sounds over a 20 minute period to gently lull baby to sleep.
• Play continuously or set unit to shut off automatically in 30, 60 or 90 minutes with a non-jarring, gradual volume reduction.
• Powered by AC adapter (included) or 4 AA batteries (not included) for use at home or while traveling.
• Contains the same sounds used by maternity wards worldwide to calm babies to sleep.

Six doctor developed sounds help your baby sleep: White Noise, Prenatal, Lullaby, Dolphins, Car Ride and Heartbeat.Baby Oasis