Feature 1Simple oval design, new matte texture, in line with human hand grip design, simple and comfortable. 2Round button design, one key to turn on, adjust power. Easy to fall asleep every day. 3USB convenient charging, can be connected to a computer USB port, power bank, power supply, etc., long endurance. 4It can stimulate neurotransmitters in the cerebral cortex through microcurrents, regulate emotions, and promote sleep. 5When using this product, properly stimulate the hands, so that the hands and brain will be at the same frequency to calm the anxiety. 6Light weight and in small size, easy to carry when going out. Suitable for patients with insomnia and anxiety.SpecificationCondition: Brand NewItem Type: Holding Sleep InstrumentMaterial: ABSMode: Sleep Aid / InspirationPower Supply Mode: USB ChargingBattery Capacity: 500mAhInput Voltage: DC 5V/1AWorking Power: 0.5wEndurance Time: 20 HoursSuggested Use Time: 15 MinutesHow 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 sidesLong press the power button to shut down. .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Host1 x Manual1 x USB CableNote1. 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 injury5. Do not disassemble, repair or modify this product without permission. May cause equipment failure or injury.For the sake of patient safety, we recommend not to use sleep devices in the following situations:1. When driving;2. When operating complex dangerous mechanical instruments.3. Avoid longterm strong current stimulating the same position;4. If you find that the skin is burned, you can rest for a few minutes in future use, and move the electrode position slightly before continuing treatment;5. If you find that the electrode burns the skin severely, you should stop using it in time, and use it after treatment and rehabilitation by a specialist.6.The product uses micro current to stimulate neurotransmitters in the cerebral cortex, regulate emotions, and thus promote sleep. It takes at least 15 days for the product to have a significant effect. The product needs to use assisted sleep for a long time, which is not immediately effective.