This sleep aid can help you fall asleep, relieve anxiety and depression, and is suitable for patients with insomnia and anxiety. Micro-current stimulation gently holds the sleep aid machine, and the micro-current is transmitted to the brain through the Laogong acupoint in the palm to produce a sedative and relaxing effect, which is conducive to healthy sleep. Portable and USB Charging Design Mini Handheld Sleeping Device is lightweight and easy to carry. Using USB charging design, multiple power supply modes, easy and convenient charging, long battery life. The high-quality sleep aid is made of high-quality ABS material, which is stable and durable. Sleep aids are available in a variety of colors, you can choose according to your needs. how to use 1. At the bottom switch to sleep assist mode (relaxed) or excited mode (activated). 2. The protruding part of the electrode is facing the palm, and the palm is in contact with the periphery of the protruding electrode to form a micro-current loop. 3.Turn the side knob to gradually adjust to a position that is comfortable for you.