Features weight range 20-110KG, lap range 10-1000 laps, calorie range 0-999KCAL, time range 1-60 minutes; Wear rope slant top design, wear rope angle of 45 °, more smooth;Using Taiwan crystal, the representative products for 3 buttons 6 functions jump rope and 4 buttons timing fixed number of jump rope, in order to product stability and durability using double-sided nickel-plated circuit board than ordinary materials more than 3 times more expensive; With luminous view function: not afraid of day and night, clearly visible at night, in the evening can also exercise, using metal bearings, high-speed silent idling effect, bearing structure precision durable drive jump rope quality is different; Built-in thickened spiral steel wire rope is not easy to break, high-quality PVC wear-resistant, stable not floating rope, not knotted, high-density EVA non-slip sweat-absorbing, can be washed and used repeatedly, with hand tear not rotten;