Features: 1. Solve the anxiety, irritability, and insomnia caused by poor sleep, often take medicine to help sleep. 2. 15-minute intelligent timing shutdown protection to prevent the risk of electricity consumption after falling asleep. 3. USB rechargeable design, wireless use, easy to carry. 4. The green indicator light is on, indicating that the sleep aid is working. Physical principle The low-frequency pulse current is micro-ampere level, which is not harmful to the human body. Non-drug, no dependence after use, can still help sleep after stopping the drug. The current is delivered through the palm acupoints to avoid the risk of the current directly stimulating the brain. 1. When using the decompression mode (left hand) in a relaxed state, The parasympathetic nerve is excited, the peripheral blood vessels expand, and the temperature of the hand will increase. 2. When using the stimulation mode (right hand) to stimulate the sympathetic nerve, The blood vessels constrict and the hand temperature drops. How to use 1. The electrode end faces the palm, and the hand supports the sleep aid. (Left hand decompression, right hand stimulation.) 2. Turn the switch to the left to activate the sleep aid. 3. Rotate to adjust the output intensity (left rotation is strong, right rotation is weak). Product parameters Product size: 40.5*38.5*68.5mm Input voltage: DC 5V Working power: 0.03W Suggested use time: 15 minutes each time Mode: Decompression/stimulation Charging method: USB charging Battery capacity: 300mAh Body material: ABS Package contains: 1 * Sleeping aid 1 * USB charging cable 1 * User Manual 1 * retail box