Smart Jump Rope – Data Record and Analysis : RENPHO 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 number of skips, calories burned, and tangles to reach your fitness goal at any time. After workout, you can create some nice data images to share on social media, which push yourself and create positive effect on others. 3 Skipping Rope Modes & Battery Operated: The workout jump ropes have 3 skipping modes to choose from (Free Jump / Time Countdown / Numbers Countdown). Our jump rope is built in a smart chip and equipped with 3 sensitive & precise Hall sensors that can count for every jumping data correctly and ensure data accuracy. Powered by 2*AAA batteries (batteries are included), so you don’t need to always recharge it, much more convenient. HD LCD Display & Comfortable Foam Handle : Our jump ropes for fitness are equipped with lightweight foam handles, which are made from friendly environmental ABS with EVA material, ensuring comfortable and non-slip touching 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.