Features:-With 4 wheels, it provides four-point support, provides a larger contact area, higher stability, and prevents rolling, thus ensuring safer training.-Equipped with an automatic rebound mechanism, it stores energy when rolling forward and helps with rolling backward, reducing the pressure on your arms.-With concave-convex surface design, it has better grip, is safe and non-slip, and will not damage the floor. The wheel spacing of 290mm improves manoeuvrability and stability and prevents overturning, which is very suitable for beginners to exercise.-Equipped with a mobile phone holder and a timer, so you can use your mobile phone while exercising, and track your progress in real time through the built-in sensor for scientific training.-With wide appli.
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