11. Function: Separately adjust the position of the two pedals. More humane, can be adjusted according to height to difficulty, step by step, scientific exercise. 22. Quiet and portable: no noise. Small and light, it is easier to store and manage than treadmills, exercise bikes or elliptical machines. 33. Ergonomic design: The ergonomic design integrates exercise while maintaining stability. The non-slip surface and the double-sided protective layer maintain a balance. 44. Adopt high-quality double bearings: quieter and better rebound, providing a smooth movement. Enlarged and widened foot support to ensure that all heights can be used. 55. A variety of exercise range: suitable for various exercises, including hands and feet, such as yoga, Pilates, dance.