This is a handheld massage gun that provides deep massage with 9 levels of variable frequency and 5 levels of speed adjustment. - Model Name: Fascial Gun Massage - Function: 9-level variable frequency massage - Massage Heads: 4 types of professional massage heads - Speed Adjustment: 5-level speed mode adjustment - Start Method: Intelligent one-click start - Massage Effects: Deep massage, muscle relaxation and tightening Thank you for viewing.