Product Description        Sleep Aid Hand-held Micro-current Intelligent Relieve Anxiety Depression Fast Sleep Instrument Sleeper Therapy Insomnia Device      Feature:   Round button design, one key to turn on, adjust power. Fall asleep easily every day   USB charging is convenient, can be connected to the computer's USB port, mobile power, power supply and other charging methods, and the battery life is long.   The use of this product can stimulate the neurotransmitter of the cerebral cortex through micro current to regulate emotions, thereby promoting sleep.   Using this product, the hands can be properly stimulated, so that the same hand and brain frequencies can be used to relieve anxiety.   Small and convenient, you can take it with you.   Suitable for people with insomnia, overthinking, etc.      Specification:   Input voltage: DC 5V/1A   Working power: 0.5W   Working current: 1.5-2A   Charging time: 1.5H   Product material: ABS+stainless steel   Product size: 25*32*70mm   Product packaging: 58*78*120mm      Package Included:   1 * Help sleep   1 * USB data cable   1 *Chinese and English manual      Notes:   prevention   *As the following population has not been specifically tested 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 driving;   4. It is strictly prohibited to use in patients with epilepsy;   5. Patients with recent hemorrhagic stroke should use it with caution.      *For safety reasons, we recommend not to use sleep devices in the following situations:   1. When driving;   2. When operating complex and dangerous mechanical instruments.   3. Avoid long time. Strong current will stimulate the same position;   4. If you find skin burns, you can rest for a few minutes, and then move the electrode slightly to continue the treatment.   5. If the electrode is found to be severely burned to the skin, it should be stopped in time and used after expert treatment.