1.Unique four massage head design; 2.Available both of the 220vc home power and DC12v auto adapters; 3.Impact size make it easy to carry and simple to use.4.Microcomputer Intelligent Control. Moving up and down; Full, Lower and Upper back for kneading and rolling massage; 5.With viberating massage motor on seat cushion with adjustable massage intensity,,Which Can Massage Againts The Corresponding Acupunture Point Of Waist,Leg and So On. It is helpful to improve the body blood circulation, eliminating the fatigue and relaxing the muscles, activating the cells, invigorating the body, adjusting the metabolism,so as to improve health