This product adopt the ventation and acupuncture point theory and simulate the traditional massage manners such as push, press, point press, squeeze, and etc. Massage the different body parts and acupuncture points to remit the muscle intensity and pain cause by long time driving and sitting. It helps the blood circulation, dredges the ventation, breath, and blood, smoothes the joints, eliminates the sore and pain, and remits the tiredness. It makes you be able to concentrate better, have more abundant strength and enjoy the driving. Features: Patent design. Adjustable. ?eating?can be felt at once. ?7 modes to adjust the intensity. ?Easy to install. Plug into the cigar-lighter is OK. For any vehicles. ?Beauty shape. Patent shape design. Originate in the world. ?Soft material made in Taiwan. Comfortable to sit on. No distort. ?Anti slippery particles under the cushion. Better located.