Smart Rope, for smart jump ropers!
A smart workout for people that want the fitness data.
https://hiconsumption.com/2015/02/smart-rope-led-smart-jump-rope-by-tangram-factory/
A smart workout for people that want the fitness data.
https://hiconsumption.com/2015/02/smart-rope-led-smart-jump-rope-by-tangram-factory/