Use the HoMedics SoundSpa to create a peaceful sleep environment; fall asleep faster and wake up completely rested. Equipped with six soothing; natural sounds; our SoundSpa allows you choose from white noise; thunder; ocean; rain; summer night and brook; while unwinding from your day. It's almost makes the perfect addition to any nursery. The rhythmic sounds instill a feeling of comfort that lulls people of all ages to sleep with a built-in auto-off timer.Product Features:Natural sounds help you relax while you read; work; study or sleepSix digitally recorded; calming sounds: White Noise; Thunder; Ocean; Rain; Summer Night; Brook15; 30 or 60 minute auto-off timerCompact and lightweight for easy portabilityBattery or adapter operated (adapter included; 4 AA batteries not included)