Sleep White Noise Machine Portable Sound Therapy for Baby and Adult Sleeping and Relaxation Device 9 Natural Sounds100% brand new and high quality Features: 1. 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 . 2. Portable design. It takes up a small space on the bedside table and can be easily put into your bag or suitcase, making