It’s designed to be your personal white noise sound machine to ensure a better night's sleep and peaceful rest. Powered by USB and dynamically produces soothing white noise in your choice of rain, waterfall, or storm. Buttons are obvious to customize the tone and volume of your chosen soundscape as well as the automatic shut-off timer. The compact and portable design with forward tilt angle fits anywhere, makes it easy and natural to tune out distracting noises and enjoy a healthy night's sleep at home or on trips. It’s ideal for relaxation, study, speech privacy, or any situation where you'd like more control of your sound environment.