EASY TO CARRY: USB charging design, multiple power supply modes, easy and convenient charging, long endurance. Light weight, small size, easy to carry around. Suitable for patients with insomnia and anxiety. HIGH QUALITY AND DURABLE: Made of high quality material, stable and firm, durable for use. Multiple colors of sleep aid device are optional, you can choose according to needs. MICRO CURRENT FUNCTION: Microcurrent can enhance the electric waves in the brain, increase the secretion of neurotransmitter, pure physical function, help to fall asleep quickly, and get a healthier and better sleep. EFFECT: Gently hold the sleep aid machine, the micro current is transmitted to the brain through the Laogong acupoints in the palm of the hand to produce a calming and relaxing effect, helping to sleep healthily. INSTRUCTIONS FOR USE: 1. Switch to sleep aid mode (relax) or excitement mode (active) at the bottom; 2. The protruding part of the electrode faces the palm of the hand, and the palm touches the periphery of the protruding electrode to form a micro current loop; 3. Turn on the side knob, and gradually adjust to the gear that you are comfortable with.