Most convenient cardio exercise: With RENPHO smart jump rope, you can get a more efficient, more low-cost, and happier cardio exercise. The jump rope is lightweight and portable, it can be flexibly used indoors or outdoors. Keep workouts, it will help you keep a fit body and effectively improve cardiopulmonary functions and endurance. It is also a good choice for Christmas gifts. Reach fitness goal with APP Renpho Health: Our fitness skipping rope can connect with our APP Renpho Health that can easily analyze and track your periodic workout data. You can grasp your skip time, total skip number, calories burned, and tangles to reach your fitness goal at any time. Our jump rope is a built-in chip and is equipped with 3 sensitive & precise Hall sensors that can count for every jumping data correctly and ensure data accuracy. Adjustable PVC steel wire rope: The jumping rope counter adopts in 3M/9.85FT PVC steel wire rope that is durable and non-tangling. The PVC wrapped steel rope can be suitable for almost any kind of floor like concrete floor, floor tile, wooden, and cobbled road. The adjustable length design is no need for cutting and can adjust quickly according to your height. Suit for adults and children. Clear LCD display & comfortable foam handle: Our jump ropes for fitness for men are equipped with a lightweight foam handle that is made from friendly environmental ABS with EVA material. The foam handles give you comfortable touch and non-slip when exercising, Also, the main handle is embedded with an HD LCD display that provides users a clear view of the rope skipping data, like skip time or total skips. System Requirement: IOS 7 and above, Android 4.3 and above. Register or Log in. Please complete the info to get accurate workout data. Users can log in with a new account or directly log in with the Renpho APP account. Connect device(Turn on Bluetooth on your phone and the device, Make sure the device and mobile phone are within the reception range of Bluetooth, Click “Connect’). Device settings/Rebind device(Click Device settings on the “Me” page to enter the device settings page list, Click “Rebind” to unbind the current device). Specifications Wireless reception & Connect range : Bluetooth 4.0 & 10m System Requirement: IOS 7+, Android 4.3+ Handle size: 1.34*7.56inch Rope Length: 3M/9.85FT Weight: About 300g (includes 2 batteries) LCD Display: 15*22mm Accuracy standard: ±2 Record: The past 7 days daily data