RENPHO Smart Jump Rope, Cordless Jump Rope, High-Speed Jump Rope with Counter, Fitness Skipping Rope with APP Data Analysis, Workout Jump Ropes for Home Gym, Crossfit for Exercise for Men, WomenCordless jump & jump ropeThe adjustable weighted jump ropes adopt creative design allows you to change the mode freely between rope jump and cordless jump. 3M skipping ropes fit for outdoor exercise adjust to a suitable length without tools. With cordless ball, rope jump can easy to change into a cordless model, imitating the feeling of skipping with a real rope, without actually needing to swing a rope, the low impact equipment offers people who