Model B led smart jump rope is a LED shining rope jump, it also called electronic jump rope, mixed light and speed jump rope. Compared other ordinary shining jumprope, It can change the color according to the player’s jump speed. If the speed is less than  100 cycles  per  minute,  the color  would be blue  (or green). When  the speed reaches   100  to 150  cycles per minute,  the color would change  to green  (or red, blue). If the speed is over 150 cycles, both colors would shine at the same time. The beautiful scene would  surely catch your eyes firmly.

Compared with ordinary light jump rope on the market, our model B can change the color according to the the player's jump speed.