Open rope skipping machine can free your hands, So you can rope skipping more easily, When more than one person jumping together without using two people to throw the rope, The liberated hands can d-o mor-e interesting things, Such boxing rope skipping. The machine defaults to 1-10 speed level. level 1-3 are for kids, seniors or beginners; level 4-7 are for teens, office workers or gamers; level 8-10 are for jump maste-r or anyone who wants to push their limits. Innovative rope skipping machine is about 5.31 inches wide and 3.15 inches high, Very portable, Suitable for office, home, gym, party small range of use, LED backlight LCD large screen, The number of jumps visible day and night, which can remain durable even with prolonged exercise.