Cordless for limited space workout: Freedom to enjoy your workout with our RENPHO smart adjustable skipping rope outdoors or easily switch to cordless jumping using the included weighted cordless jump rope if space is limited. This helps give a real rope skipping feeling without the use of a connected rope Sync your workouts with App: Connect the smart jump rope for adult fitness to the Renpho Fit App (iOS 7+ & Android 4.3+) via Bluetooth to record your skip time, total skip number, calories burned, etc. and save these statistics on a daily, weekly, and monthly basis. Keep track of your workouts and see visible improvements in your performance to achieve your fitness goals 3 Challenging workout modes: Choose from Free Jump, Time Countdown & Number Countdown mode for more fun, effective workout that will test the limits of your endurance. Built-in chip and 3 sensitive & precise hall sensors will ensure accurate exercise data free from the hassle of counting by yourself Durable & adjustable jump rope: Made of steel wire and wrapped in a protective PVC sleeve, the rope is wear-resistant, tangle-free & damage-free for all ground types so that you can use it on hard tile floors or carpeted surfaces without fear. The smart skipping rope with counter is 3M/9.85FT long and can be easily adjusted to fit the entire family without cutting. A great choice for fat burning, boxing, CrossFit, MMA & HIIT Non-slip & smart LCD handle: RENPHO digital jump rope with counter equips silicone weighted handle is comfortable to touch and provides you with a firm grip while exercising. It is embedded with an LCD display that gives you a clear view of rope skipping data. Press the button to set the training target and begin your workout now