This hand held head massager has two shifting and two way rotation for comfort. The silicon massage head adopts bionic design it offers you the lowest noise. It work clockwise and anti clockwise massage direction for quick switch and each direction has 2 massage speed. It effectively promote blood circulation on your scalp to relieve and eliminate the tension and pressure. It provide a standing base with non slip pads on the bottom to enhance placement stability and the built in rechargeable battery can be directly powdered for continues enjoyment and cordless operation.