Intelligent cordless jump rope counting exercise weight bearing fitness exercise indoor sports jump rope student exam timing jump rope Material: ABS handle +PVC wire rope + cordless silicone ballProduct size: 17.2x2.8cmColor: black and white (handle + wire rope + ball)1. The jump rope is made of high quality food grade PVC material, anti-entanglement adjustable cable, anti-slip ABS handle. Built-in high-quality 360 degree professional rotating ball bearings, smooth and easy rotation.2. Electronic multi-function jump rope with timer, calorie counter and jump counter, accurate jump count with 4 buttons to help you lose weight and stay healthy. When you reach a set exercise goal, the jump rope automatically beeps. Suitable for children, adults and all family members. Note: There is no need to manually shut down, and it will automatically shut down after 5 minutes of inactivity.3. Dual mode jump rope creative design, can switch jump rope and wireless mode (with short ball rope). In wireless mode, you can enjoy the jump. In addition, this wireless mode allows children to avoid tripping over the rope, is comfortable to use, and does not take up too much space. More convenient and less time consuming4. Easy to adjust, easy to use Thanks to our adaptive mechanism, it is adjustable, so this 2.9-meter twist-proof jump rope can be used by everyone - even tall or small athletes, adults and children. Jumping rope is never a mess, it is simple and effective to exercise, lose weight and increase endurance.5. Stay healthy: Jumping rope is an effective way to burn calories, lose weight, lose weight and even gain muscle on a flat belly. Jumping rope builds your lower body muscles and works your arms, shoulders, back and abs.Packing contents: 2 ABS handles + silicone wire long rope + short rope silicone ball + round battery + screwdriver + storage bag + hard outer packing color box