Product Description Product Description: Using this product can stimulate neurotransmitters in the cerebral cortex through microcurrent to regulate emotions and promote sleep. Using this product, the hands are properly stimulated, thus generating the same frequency through the hands and brain, which can calm anxiety. Small and convenient, you can take it anywhere. Suitable for people with insomnia, excessive thinking, etc. How to use: (You can also use product picture display method) 1. Place the front of the product completely on the palm of your hand. 2. Turn the top button away from OFF to enter the low-frequency pressure reduction mode. It is recommended for left-handed use. 3. Press M again to enter the high-frequency encouragement mode, which is recommended for right-hand use. 4. The strength on the right side increases and the strength on the left side decreases. 5. Turn the top button to OFF to close. Product material ABS + stainless steel Color/style White/Orange/Blue Battery capacity 500mAh Packing quantity 60 Input voltage: DC 5V /1A Working power: 0.5W Charging port: Micro USB Product accessories: Host x1, USB data cable x1 Packing list: 1*Host x1, USB data cable x1Note: 1. Due to manual measurement, there may be a slight error of 1-3 cm. 2. Due to differences between different monitors, the picture may not reflect the actual color of the item.