Use our SoundSpa to create a peaceful sleep environment, fall asleep faster, and wake up completely rested. With six soothing, natural sounds, our SoundSpa is also the perfect addition to any nursery. The rhythmic sounds instill a feeling of comfort that lulls people of all ages to sleep. Natural sounds help you relax while you read, work, study or sleep Six digitally recorded, calming sounds: White Noise Thunder Ocean Rain Summer Night Brook 15, 30 or 60 minute auto-off timer Compact & lightweight for easy portability Battery or adapter operated (adapter included, 4 ”AA” batteries not included)