Description: *Use the sleep aid to properly stimulate the hands; too much thinking can cause insomnia, which has a smooth effect on the same frequency through the human second brain-the hand and brain. *Micro-current physical improvement of sleep: stimulate the neurotransmitter of the cerebral cortex through micro-current, regulate mood and promote sleep. *Physical reconciliation, refusal of drug side effects; non-drug/no harm/no addiction. *Easily go into battle, compact and portable; bid farewell to bulky and cumbersome equipment, weighing only 55g, carry it with you, and feel comfortable. *The automatic timer is turned off for 15 minutes, and the button battery is upgraded to AAA battery. *Dual use for day and night: two ways to relax sleep/invigorate spirits, with limited modes and lots of experience. *The product adopts a simple oval design with a new matte texture, which matches the design of people's hands, simple and comfortable. *How to use: the left hand is relaxing and comforting, the right hand is invigorating (the left hand is recommended for relaxation mode, and the right hand is recommended for invigorating mode) Specifications: Product Name: Hand-held sleep aid Size: 11.3*3.6cm Weight: 40g Power supply mode: battery Control method: push button Display mode: no display Package Included: 1*Sleep aid Notes: Since there is no specific side effect test and observation for the following people, it is not clear whether this product is harmful to such people. Based on the safety of patients, we do not recommend the following people to use this product: 1. Patients using implantable electronic devices (such as cardiac pacemaker, insulin pump) should be used with caution; 2. It is forbidden to use it with high frequency equipment, short wave or microwave therapeutic equipment at the same time; 3. It is forbidden to use the electrode close to the chest or when operating complicated and dangerous equipment or driving; 4. It is forbidden to use in epileptic patients; 5. Patients with recent hemorrhagic stroke should be used with caution. For the sake of patient safety, we recommend not to use the sleep meter in the following situations: 1.When driving; 2. When operating complicated dangerous machinery and instruments; 3. Avoid stimulating the same position with strong current for