1. Simple oval design, new matte texture, in line with human hand grip design, simple and comfortable. 2. Round button design, one key to turn on, adjust power. Easy to fall asleep every day. 3. USB convenient charging, can be connected to a computer USB port, power bank, power supply, etc., long endurance. 4. It can stimulate neurotransmitters in the cerebral cortex through microcurrents, regulate emotions, and promote sleep. 5. When using this product, properly stimulate the hands, so that the hands and brain will be at the same frequency to calm the anxiety. 6. Light weight and in small size, easy to carry when going out. Suitable for patients with insomnia and anxiety. Spec: Condition: Brand New Item Type: Holding Sleep Instrument Material: ABS Mode: Sleep Aid / Inspiration Power Supply Mode: USB Charging Battery Capacity: 500mAh Input Voltage: DC 5V/1A Working Power: 0.5w Endurance Time: 20 Hours Suggested Use Time: 15 Minutes How to Use: To put the front of the product completely in your hand: Press the power button is the low-frequency decompression mode, which is recommended for left hand. Pressing the power button again is the high-frequency encouragement mode, which is recommended for the right hand. Adjust power with +/- keys on both sides Long press the power button to shut down. PackageList: 1 x Host 1 x Manual 1 x USB Cable Notice: 1. It is forbidden to use with implanted medical appliances, such as pacemakers, which may cause equipment failure or trigger danger. 2. Do not use this product if the palm has skin problems such as wounds, eczema, blisters, peeling, etc. 3. Do not use this product in places with high humidity such as bathrooms. Do not use this product for any purpose other than its intended purpose. 4. Do not hand this product to children under the age of six to avoid personal injury 5. DoSMALL AND EASY TO CARRY: USB convenient charging, can be connected to a computer USB port, power bank, power supply, etc., long endurance. Light weight and in small size, easy to carry when going out. Suitable for patients with insomnia and anxiety. INTELLIGENT TECHNOLOGY : The sleep aid machine can trigger neurotransmitters in the cerebral cortex through currents, regulate emotions, and care sleep.When using this product, properly trigger the hands, so that the hands and brain will be at the same frequency to calm the anxiety. Working principle: The working principle of the hand-held sleep aid is to stimulate the neurotransmitter of the cerebral cortex through micro-current, so as to achieve the effect of regulating emotions and promoting sleep. Effective sleep assistant: use it for a while, the quality of sleep will be improved, no nightmares. Use it every night for better sleep and longer without taking sleeping pills. The damage to health is also relatively low. Adapt to other uses (like yoga) and maintain regular breathing throughout the activity. When using this product, properly stimulate the hands, so that the hands and brain will be at the same frequency to calm the anxiety.