BEST GIFT: The sleep aid for insomnia is a great gift choice for family or friends USB charging: The sleep aid is easy to charge, can be connected to computer mobile power, power supply and other charging methods, and has a long battery lifePromote sleep: the deep sleep instrument can stimulate neurotransmitters in the cerebral cortex to regulate emotions by micro-current, thereby promoting sleep and improving sleep quality.Features: Improve sleep This product mainly helps people suffering from insufficient sleep and poor mental quality to fall asleep as soon as possible. It also relieves migraines, relieves anxiety and relieves stress. Simple and convenient to use, gently hold the sleep aid machine. The micro-current is transmitted to the brain through the Laogong point of the palm, which has a calming and relaxing effect and promotes healthy sleep. Design: The circular sleep meter button design, one-button power on, power adjustment, and easy to fall asleep every dayMaterial: The hand sleeper adopts ABS and silicone simple oval design, conforming to human design, simple and comfortable. Please allow some color error due to different shooting light and monitor. Thank you for understanding.