RENPHO Smart Skipping RopeJump and skip to better fitness. With the real thing or a virtual alternative. With the RENPHO Smart Jump Rope with Cordless Ball, you have the choice to get creative with your exercise regime. So, jump to it today! Cordless jump and jump ropeThe smart adjustable and weighted jump rope allows you to change the mode freely between a real rope jump and a virtual cordless version. With the cordless ball, the jump rope replicates the feeling of skipping