... therapy 2.Eletromagnetic therapeutic function. 3.Vibration massage function,etc. 4.Best price Light and streamline ... design, more personal. can be used in car, family, office place at any time, .the ... Particularly use the Positive and negative knead and massage function. AC220V can turn to DC12V for use ... , safe and reliable. Simulate the masseur, massage on the human's body neck, shoulder, back ...