Features Excellent performance, silent and comfortable. Powerful humidification, portable and easy to use. Low-noise design to protect the sleep quality of you and your family. One-button automatic start, intuitive user menu with button operation—just turn and press, making it easy for seniors to operate and understand the data. Reduces nighttime awakenings, extends deep sleep time, and alleviates daytime sleepiness and fatigue. Long-term use can reduce the risks of cardiovascular diseases, hypertension, and other issues caused by sleep apnea.