Improve Sleep Quality 25 Non-loop sound can help render a comfortable sleeping atmosphere. This sound machine can effectively improve the quality of sleep, which also has the effect of soothing the crying of the newborn, it can make the baby fall asleep quickly. And Its safe design and simple operation are also suitable for the elderly. Help Concentration Fourair white noise machine can produce continuous soothing sound, which can help us to calm down quickly and enter the work or study state as soon as possible. At the same time, it can also create an independent learning environment for children and improve learning efficiency. Relax Your Mind The white noise machine can create a relaxing environment, and the soothing sound can assist meditation, relax and decompress. Its portable design is also very suitable for outdoor use, you can easily fall asleep and relax outside. Block Annoying Noise When sleeping, working or studying, are you often affected by construction noise, dog barking, traffic noise, etc.? Then this sound machine can effectively block those annoying noise and reduce the adverse effects of bad noises. Create a comfortable environment for you.