free hand: can dance while chatting with people, watching TV, or jumping in different positions and listening to music, Release the hands to jump. Function: one Speed , and One button remote start, with solid soft rubber rope body . : This rechargeable rope jump machine body made of premium material, offering an unhindered and stable 360 rotation, silent and smooth . Application: this intelligent jump rope machine is perfect for home, office use . Compact: Size: 5.5cmx7.5cmx13.6cm/2.17inchx2.95inchx5.35inch, Portable and Durable . Specification: Material: ABS Package Includes: 1 Intelligent Jump Rope Machine with Rope 1 Charging Cable 1 Manual Note: Please allow slightly errors due to manual measurement and different monitors. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.