Enhance your sitting experience with the Pursonic Shiatsu Massager Chair Mat, equipped with 3-nodes, vibration, and heat. It's the ultimate solution for comfort and relaxation. The varying levels of heat cater to the preferences of all shiatsu chair enthusiasts! Can be used at home, office or even in the car! 5 Vibration motors to relieve stress and fatigue. 3 Speed Nodes & built in heating. Rear strap attaches to chair. 15 and 30 minutes auto shut off.