This sleep device stimulates the human body's central nervous system through pulse current to help you fall asleep quickly, reduce stress and improve sleep quality. It is a pure physical sleep aid, scientific and healthy to improve sleep quality, non-drug, no side effects, no dependence, no harm to the body. The device has three modes, including sleep mode, relaxation mode, and refreshing mode, with 6 levels of intensity adjustable. It is suitable for people who are under stress, prone to anxiety and depression, have difficulty falling asleep and wake up easily in the middle of the night. The watch shape design is small and exquisite, beautiful and generous, easy to wear and use, so that you can enjoy high-quality sleep anytime and anywhere.