Use the HoMedics® SoundSpa® Mini to create a peaceful sleep environment and fall asleep faster. Equipped with four soothing natural sounds, our miniature SoundSpa allows you choose from white noise, summer night, ocean waves, and rain, while unwinding from your day. It makes the perfect addition to any nursery. The rhythmic sounds instill a feeling of comfort that lulls people of all ages to sleep. Includes a built-in auto-off timer. Natural sounds help you relax while you read, work, study or sleep 4 digitally recorded, calming sounds: White Noise Summer Night Ocean Waves Rain 15-minute, 30-minute or 45-minute auto-off timer Compact & lightweight for easy portability Battery operated (3 AAA batteries not included)