Decompression and extensive use-massage the scalp to provide you with comfortable relaxation, effectively reduce stress, enhance blood circulation, reduce insomnia, etc. Suitable for athletes, tired people, elderly, office workers, drivers and other people with headaches or stress. 2Vibration mode: Press the red power button to change the vibration mode between intermittent mode and continuous mode. Gently massage the head and even the knees to relax the muscles and relieve tension and fatigue (Note: Do not use this product in the same place for a long time to prevent pain. Change the massage position every few minutes.) Hands-free: Made of durable PET, with high elasticity, light but strong and not easily deformed, at the same time it fits your head perfectly, and can be fixed on your head during the massage process, bringing you soft enjoyment. You can enjoy massage and work at the same time. Auto-off function: The head scraping massager will automatically turn off every 10 minutes, you dont need to spend time remembering how long it has passed, but just enjoy the massage. We also recommend that you use it for about 10 minutes each time. USB charging: Built-in USB rechargeable lithium battery, making it more environmentally friendly and more convenient to use. You can easily charge it through an adapter, a power bank or a computer.