Specification:Item Type: Ropeless SkippingPower Supply: 1pc LR44 Button Battery (Not Include battery)The Correct Posture for Skipping Rope: Stand naturally with both ankles slightly staggered, close to body from upper back, forearms naturally droop, palms facing or downward, swinging rope with wrist force, remember not to use heel or sole of foot to touch groundCorrect Position of Skipping Rope: Front of body: Approx. 15cm/5.9in How to choose Right Length of Rope: Beginners can adjust length of rope according to their height. The specific method: Step on the rope with your feet together, hold the handle with both hands and pull until you reach foot, mark the position to be adjusted, then untie the rope and pull out the rope body to adjust to marked positionScope of Application: Widely used in offices, bedrooms, living rooms and outdoorsMaterial: ABS+PVCPackage List:2 x Ropeless Skipping Ropes(1 Pair）