Humanized DesignDesigned in accordance with human engineering, the multifunctional head massager is beautiful, scientific and conforms to the curve of the head. Combining the elastic band, it can be adjusted according to the head size of the product.Promote sleepLow-frequency electrical impulse acts on the trigeminal system of the head, and can transmit nerve stimulation, relieve migraine and promote sleep.2 kinds of modesThe head massager device has 2 kinds of modes: soothing sleep mode and migraine relief mode. These modes are available according to your own demands to relieve stress, promote sleep and relieve migraine.Easy and convenientLightweight, easy to carry anywhere and anytime.The head massager can be used in office, home , yoga, travel. 15 minutes a day to relieve headaches, avoid anxiety and depression, relieve stress, relax your emotions and keep your mind clear.Charging timeUses USB charging and has a charging time complete about 1-2 hours. It can be used about 20 times (15 minutes at a time) when fully charged. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store