Smart Jump RopeCORDLESS JUMP ROPE JUMP: The dual rope configuration allows users to change between non rope jump and rope jump with this skipping rope. It ensures a smooth spin making it a great addition to any calorie burning workout program. WEIGHTED HANDLE NORMAL WEIGHT HANDLE: The speed jumping rope comes with 2 small iron bars(about 70g each) that could be inserted into each handle to get a weighted result that fits the user best. For Normal Weight Handle, you