Water Fitness – An internationally renowned brand and one of the three major swimming brands in the United States, TYR provides a variety of water fitness products. Water Fitness can exercise cardiopulmonary function, muscle strength and coordination through interesting water games. Utilize the buoyancy and resistance of water force, cooperate with buoyant equipment to exercise, relieve pain to improve joint flexibility, muscle strength and training balance; mild aerobic exercise to exercise cardiopulmonary function.