Exercise is a vital core of our body. One of the most common and most effective exercise is skipping rope.

When jumping speed is less than 100 cycles per minute, lights are blue. When speed is 100-150 cycles per minute, ropes will light up red. When it is above 150 double colors and shining will illuminate the rope.

Dimension:

Length: 100” but Adjustable – no tools needed.

Battery: 3 AAA, started set included but not installed.