Feature: 1. Precise Counting: Precise counting, fast rope skipping, can burn 7 calories per minute, and the adipose burning efficiency is much higher than running and swimming. It can also exercise overall coordination, alacrity, and relieve cervical and lumbar pain. 2. Accurate Sensor: The Skipping rope adopts dual Hall accurate sensors, relying on multi point monitoring and core algorithms, the calculation data is more accurate and reliable, and the Bluetooth 4.0 high speed transmission is automatically uploaded to the scaling to accurately record your every jump. 3. Three Modes: Three modes, free choice, 3 sports modes, refuse to exercise boring. Countdown mode, countdown mode, free jump mode. 4. 360 Degree Universal Bearing: 360 degree universal bearing, glossy, stable and unobstructed, suitable for people of many ages, children exercise, middle school examination, adult fitness. 5. HD LCD Display: ABS nonslip handle, make every jump comfortable. High definition LCD display, backlight display is clearer. Specification: Item Type: Bluetooth Count Jump Ropec Material: ABS, PVC Battery Type: 2 AA Batteries (Battery Not Included) Coil Length: Approx. 3meters / 3.3yd PVC Wrapped Steel Wire Rope APP Name: For SkipJoy Minimum Time: 1s Automatic Shutdown Time: 60s Longest Time: 99 Minutes 59 Seconds Minimum Jump: 1 Maximum Jumps: 9999 Times. Package List: 1 x Rope2 x Handle2 x User Manual2 x Carry Rope2 x Snaps2 x Rope Hats Note: Requires all smartphones operating with for android version 6.0 and above