1. The length of the rope can be adjusted freely
2. Four modes can be switched, flexible recording exercise, real-time transmission of exercise data
3. Multi-function display, calorie, mile, exercise mileage, free jump count
4. Smart chip, silent bearing
5. Corrugated non-slip handle, wear-resistant material, comfortable grip
6. Material: ABS, EVA
7. Power supply: contains two LR44 button batteries
8. Size: long rope: about 280cm long, handle about 16.5cm, ball: rope about 30cm
9. Weight: about 165g for long rope, about 210g for small ball dual use, about 190g for large ball, about 255g for large ball dual use, and about 385g for load bearing