Tangram Factory] Smart Rope - Led Embedded Jump Rope (Black, Medium)Smart Rope is an LED-embedded jump rope that displays your jump count in mid-air and communicates with your smartphone to track your fitness data. Smart Rope tracks your jump count and displays it in front of you as you jump, kind of like a hologram. Sync it with the free mobile ap..

Smart Jump Rope Rookie (Blue)Jumping rope is the most efficient full-body workout there is doing 10 minutes of jumping ropes is the equivalent of running 30 minutes, but it is also less tiring on your joints and works out your entire body instead of just a few muscles The Smart Jump Rope Rookie is the newest version of Smart Rope It is an app-conne..