Features: 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. 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. Package Included: 1 x Host 1 x Manual 1 x USB Cable