Jackie Chan is known as the best action star in the world. He is also well respected for his choreography which combines martial arts and dance. Jackie Chan and XaviX have teamed up to bring you and your family interactive fitness choreographed by Jackie! Whether you already exercise regularly, are just beginning, or simply want to have some fun, J-MAT gets you moving like nothing you ve experienced before. J-MAT is made of durable and flexible materials that have been engineered to withstand the test of time! It wirelessly transmits your actions to the TV through XaviXPORT. The System tracks your overall performance, calorie burn, total numbers of steps and exercise time. Use with your TV and the XaviXPORT (sold separately).