9 kinds of smooth and natural sounds: It features white noise, wave sound, birdsong, waterfall, cricket sound, bicker and 3 lullabies, so that you can choose sounds according to your preferences and needs to create a quiet environment for you to fall asleep quickly and rest completely .

This white noise machine can be played continuously non-stop all night or there is an auto-off timer to set for 15, 30 or 60 minutes to conserve energy.(light display).

Only 8*8*3.3cm. It takes up a small space on the bedside table and can be easily put into your bag or suitcase, making it the perfect travel companion.