Advanced technology - Micro electric current stimulates neurotransmitters in the cerebral cortex to regulate mood and promote sleep. The use of this sleep aid device can properly stimulate the hand, with the hand brain frequency consistent way to relieve anxiety. Stimulate acupuncture points, promote relaxation and release pressure, so you can sleep peacefully. 3 modes to choose from: relaxation mode,activity mode and hand care mode. The sleep aid is in your right hand. Hold the device in the palm of your hand so that the electrode is centered. When you feel tired and need more energy, we recommend using activity mode. Fast Sleep aid - This sleep aids mainly helps sleep deprivation, poor mental quality people, to help you fall asleep as soon as possible. Stress reduction helps you fall asleep faster, relieve stress, and improve sleep quality. Thoughtful gift - Do you often have trouble falling asleep and waking up? You should try something new to make a difference. Using this product, you can help you fall asleep faster and relax completely during sleep. This is a great gift for a friend who has trouble sleeping. Thoughtful gift - Do you often have trouble falling asleep and waking up? You should try something new to make a difference Using this product, you can help you fall asleep faster and relax completely during sleep This is a great gift for a friend who has trouble sleeping .