Feature:1. 1. The product adopts a simple egg-shaped design, which matches the design of people's hands, simple and comfortable.2. 2. Built-in 400mAh lithium battery, USB charging is convenient and portable, can be connected to the computer's USB port, mobile power and other charging methods, and the battery life is long.3. 3. CES transcranial microcurrent can calm down bad emotions by regulating the electric waves of abnormal brain activity, help fall asleep quickly, get healthier and better sleep, and solve problems such as insomnia, anxiety and depression.4. 4. Using this product, you can properly stimulate your hands. Small and convenient, you can take it with you. Suitable for people with insomnia, overthinking, etc.5. 5. Just hold the sleep aid gently. The intelligent sensor system monitors the state of contact between the sleep aid and the skin of the human body. The instrument will automatically shut down within 30 seconds.Specification:Name: Sleep aidFeatures: Hands and brain move together at the same frequency to relax, improve sleep, and restore healthBattery capacity: 400mAhNet weight: 55.5gCharging method: USBSize: 75*50*35mmPackage List:1*Sleep aid1*USBNote:Since it has not been specifically tested for the following population, and the side effects of this product have not been observed, it is not clear whether it is harmful to the population. Based on the safety of patients, we do not recommend the following people to use this product:1. Patients who use implanted electronic devices (such as pacemakers, insulin pumps) should use them with caution;2. It is forbidden to use it with high-frequency equipment, short-wave or microwave processing equipment;3. It is forbidden to use therapy electrodes near the chest, or use therapy electrodes when operating complicated and dangerous equipment or while driving;4. It is strictly forbidden to use it in patients with epilepsy;5. Patients with recent hemorrhagic stroke should use it with caution.