Material: ABS Length of jumping rope: with cable 300 cm (adjustable) without cable 25 cm (adjustable) Handle length: 17 cm Product functions: counting, calories, weight, time 1: [Material]: This jumping rope is made of high-quality ABS plastic and the rope body consists of a 5 mm thick plastic-coated steel wire cable, which is strong, wear-resistant, and has a stable feel. 2: [Target audience]: Jumping rope is an aerobic exercise suitable for most people. Its fat-burning efficiency is far superior to that of running and swimming. It also improves overall body coordination and is very well suited for men, women, and teenagers. 3: [High-precision counting]: The smart wireless jumping rope with dual use adopts a high-precision magnetic control chip, a magnetic control sensor, magnetic induction counting, bidirectional counting, no missed recordings, no repeated recordings, and more precise counting. 4: [Two options]: A weighted ball without a rope and a long steel cable (adjustable length) are available as two sports options to meet different usage scenarios. 5: [Ergonomics]: This jumping rope features a non-slip wire design, which is wear-resistant and non-slip, has a comfortable grip, and will not cause discomfort to your hands after long-term use. [Company and French brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this high-quality product compared to similar products on the market (Even if the photos are similar, they are not designed the same way and sellers do not offer the same after-sales services). Each product undergoes strict quality control.