[Product Information]

✓ 10 MOST USEFUL HIGH QUALITY NATURAL SOUNDS --- White Noise， Rain， Bird， Brook， Lullaby 1， Lullaby 2， Ocean， Typhoon， Thunder and Brown Noise. Excellent for noise-masking and creating a comfortable background sound in instances where it might be too quiet.
✓ OPTIMAL SLEEP TIMER ---15，30，60，90 minutes or a full night sleep timer for option， allows you to decide how long the white noise or lullaby is played in the background. If you want to use it all the night， pls do not set the timer. And please attention: This machine has clock function， but not have alarm function. And the time setting is 24h format.
✓ 2 POWER SUPPLY METHODS --- Runs on 4 × AA batteries (not included); also supports USB operation (DC 5V 1A adapter and Micro USB cable included); suitable for travel and at home.
✓ USE IT ANYWHERE --- Built as a sound therapy machine， this white noise machine is perfect for baby nurseries， day care centers， college dorms， apartments， hotel rooms， office spaces， or any environment where unwanted and disruptive noises are present.
✓ HIGHEST QUALITY GUARANTEED --- We have developed this unique device to harness the best peaceful audio to help you and your family get those forty winks. However if you aren't satisfied， simply return our product within 30 days for a full refund!