Micro Vibration Function: High-power touch head, comfortable touch, high-frequency vibration touch head, up to 8500 vibrations per minute, soothing tension and relaxation, the handle is natural, comfortable and casual design, you can use it in a perfectway Four Different Vibration Patterns: Scalp Massager has different vibration patterns to meet your need. It stimulates the head with physical stimulation, which has the functions of invigorating the brain and calming the brain. Massage can also improve theblood circulation of the brain, increase the oxygen uptake of the brain, and help regulate the function of the cerebral cortexhe head, relax muscles, relieve pressure. Widely Application: You can use it to relax and relieve pains on your back, neck , shoulder,, tights, calves, foot, legs and arms. Eliminate tension fatigue after work whole day Great Design: Portable and small size design great for you to take it wherever and whenever you want. To improve brain health, enhance memory, relieve fatigue, eliminate tension, anxiety Warm Note: Head Massager is USB rechargeable which could save your cost, the first charge time is about 3 hours and please use it without any water.