Features:  1. Solve the poor sleep of anxiety, irritability and insomnia, and taking medicine often 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, portable and easy to carry.  4. The green indicator light is on, indicating that the sleep aid is working.  Principles Of Physics  The low-frequency pulse current is micro-ampere level and does not hurt the human body. It is non-drug, no dependence after use, and can still help sleep after stopping. The current is delivered through the acupoints of the palm, avoiding the risk of the current directly stimulating the brain.  1. When using decompression mode (Left hand)  In the relaxed state, the parasympathetic nerves are excited and the peripheral blood vessels expand, and the temperature of the hands will rise as a result.  2. When using stimulation mode (Right hand)  Sympathetic nerves are stimulated, blood vessels constrict, and hand temperature drops.  Method Of Use  1. The electrode end faces the palm, and the hand holds the sleep aid. (Decompression with the left hand, stimulation with the right hand.)  2. Turn the switch to the left to start the sleep aid.  3. Rotate to adjust the output intensity (rotate to the left is strong, and rotate to the right is weak).  Product Parameter  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 Included:  1 * Sleep aid  1 * USB charging cable  1 * User manual  1 * Retail box