Features: 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.Item 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.Package Included:1 x Host1 x Manual1 x USB Cable